Home / 87,435.72-131,284.80-50,038.02

Finding the Fourth Proportional to 87,435.72, 131,284.80 and 50,038.02

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Solution

The fourth proportional to 87,435.72, 131,284.80 and 50,038.02 is: 75,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435.72 : 131,284.80 = 50,038.02 : x
  2. Step 2: Convert to fraction form
    87,435.72/131,284.80 = 50,038.02/x
  3. Step 3: Cross multiply
    87,435.72x = 131,284.80 × 50,038.02
  4. Step 4: Simplify right side
    87,435.72x = 6,569,231,448.10
  5. Step 5: Solve for x
    x = 6,569,231,448.10/87,435.72
  6. Step 6: Final answer
    x = 75,132.13

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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.