Home / 87,569.16-131,356.56-34,259.04

Finding the Fourth Proportional to 87,569.16, 131,356.56 and 34,259.04

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Solution

The fourth proportional to 87,569.16, 131,356.56 and 34,259.04 is: 51,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.16 : 131,356.56 = 34,259.04 : x
  2. Step 2: Convert to fraction form
    87,569.16/131,356.56 = 34,259.04/x
  3. Step 3: Cross multiply
    87,569.16x = 131,356.56 × 34,259.04
  4. Step 4: Simplify right side
    87,569.16x = 4,500,149,643.30
  5. Step 5: Solve for x
    x = 4,500,149,643.30/87,569.16
  6. Step 6: Final answer
    x = 51,389.66

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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.