Home / 89,561.16-134,298.48-52,129.56

Finding the Fourth Proportional to 89,561.16, 134,298.48 and 52,129.56

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Solution

The fourth proportional to 89,561.16, 134,298.48 and 52,129.56 is: 78,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,561.16 : 134,298.48 = 52,129.56 : x
  2. Step 2: Convert to fraction form
    89,561.16/134,298.48 = 52,129.56/x
  3. Step 3: Cross multiply
    89,561.16x = 134,298.48 × 52,129.56
  4. Step 4: Simplify right side
    89,561.16x = 7,000,920,671.07
  5. Step 5: Solve for x
    x = 7,000,920,671.07/89,561.16
  6. Step 6: Final answer
    x = 78,169.16

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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.