Home / 87,377-131,032.20-31,206.62

Finding the Fourth Proportional to 87,377, 131,032.20 and 31,206.62

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Solution

The fourth proportional to 87,377, 131,032.20 and 31,206.62 is: 46,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377 : 131,032.20 = 31,206.62 : x
  2. Step 2: Convert to fraction form
    87,377/131,032.20 = 31,206.62/x
  3. Step 3: Cross multiply
    87,377x = 131,032.20 × 31,206.62
  4. Step 4: Simplify right side
    87,377x = 4,089,071,917.13
  5. Step 5: Solve for x
    x = 4,089,071,917.13/87,377
  6. Step 6: Final answer
    x = 46,798.04

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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.