Home / 89,421.45-134,132.21-33,254.23

Finding the Fourth Proportional to 89,421.45, 134,132.21 and 33,254.23

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Solution

The fourth proportional to 89,421.45, 134,132.21 and 33,254.23 is: 49,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.45 : 134,132.21 = 33,254.23 : x
  2. Step 2: Convert to fraction form
    89,421.45/134,132.21 = 33,254.23/x
  3. Step 3: Cross multiply
    89,421.45x = 134,132.21 × 33,254.23
  4. Step 4: Simplify right side
    89,421.45x = 4,460,463,612.55
  5. Step 5: Solve for x
    x = 4,460,463,612.55/89,421.45
  6. Step 6: Final answer
    x = 49,881.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.