Home / 109,411.20-150,987.42-59,110.20

Finding the Fourth Proportional to 109,411.20, 150,987.42 and 59,110.20

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Solution

The fourth proportional to 109,411.20, 150,987.42 and 59,110.20 is: 81,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.20 : 150,987.42 = 59,110.20 : x
  2. Step 2: Convert to fraction form
    109,411.20/150,987.42 = 59,110.20/x
  3. Step 3: Cross multiply
    109,411.20x = 150,987.42 × 59,110.20
  4. Step 4: Simplify right side
    109,411.20x = 8,924,896,593.68
  5. Step 5: Solve for x
    x = 8,924,896,593.68/109,411.20
  6. Step 6: Final answer
    x = 81,572.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.