Home / 87,569.61-131,373.63-28,411.26

Finding the Fourth Proportional to 87,569.61, 131,373.63 and 28,411.26

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Solution

The fourth proportional to 87,569.61, 131,373.63 and 28,411.26 is: 42,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.61 : 131,373.63 = 28,411.26 : x
  2. Step 2: Convert to fraction form
    87,569.61/131,373.63 = 28,411.26/x
  3. Step 3: Cross multiply
    87,569.61x = 131,373.63 × 28,411.26
  4. Step 4: Simplify right side
    87,569.61x = 3,732,490,359.07
  5. Step 5: Solve for x
    x = 3,732,490,359.07/87,569.61
  6. Step 6: Final answer
    x = 42,623.12

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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.