Home / 87,629.40-131,444.10-59,635.80

Finding the Fourth Proportional to 87,629.40, 131,444.10 and 59,635.80

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Solution

The fourth proportional to 87,629.40, 131,444.10 and 59,635.80 is: 89,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,629.40 : 131,444.10 = 59,635.80 : x
  2. Step 2: Convert to fraction form
    87,629.40/131,444.10 = 59,635.80/x
  3. Step 3: Cross multiply
    87,629.40x = 131,444.10 × 59,635.80
  4. Step 4: Simplify right side
    87,629.40x = 7,838,774,058.78
  5. Step 5: Solve for x
    x = 7,838,774,058.78/87,629.40
  6. Step 6: Final answer
    x = 89,453.70

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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.