Home / 89,503.36-134,276.64-27,180.16

Finding the Fourth Proportional to 89,503.36, 134,276.64 and 27,180.16

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Solution

The fourth proportional to 89,503.36, 134,276.64 and 27,180.16 is: 40,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.36 : 134,276.64 = 27,180.16 : x
  2. Step 2: Convert to fraction form
    89,503.36/134,276.64 = 27,180.16/x
  3. Step 3: Cross multiply
    89,503.36x = 134,276.64 × 27,180.16
  4. Step 4: Simplify right side
    89,503.36x = 3,649,660,559.46
  5. Step 5: Solve for x
    x = 3,649,660,559.46/89,503.36
  6. Step 6: Final answer
    x = 40,776.80

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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.