Home / 87,306.06-131,024.28-59,159.36

Finding the Fourth Proportional to 87,306.06, 131,024.28 and 59,159.36

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Solution

The fourth proportional to 87,306.06, 131,024.28 and 59,159.36 is: 88,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,306.06 : 131,024.28 = 59,159.36 : x
  2. Step 2: Convert to fraction form
    87,306.06/131,024.28 = 59,159.36/x
  3. Step 3: Cross multiply
    87,306.06x = 131,024.28 × 59,159.36
  4. Step 4: Simplify right side
    87,306.06x = 7,751,312,549.26
  5. Step 5: Solve for x
    x = 7,751,312,549.26/87,306.06
  6. Step 6: Final answer
    x = 88,783.21

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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.