Home / 87,723.60-131,477.40-59,643.60

Finding the Fourth Proportional to 87,723.60, 131,477.40 and 59,643.60

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Solution

The fourth proportional to 87,723.60, 131,477.40 and 59,643.60 is: 89,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.60 : 131,477.40 = 59,643.60 : x
  2. Step 2: Convert to fraction form
    87,723.60/131,477.40 = 59,643.60/x
  3. Step 3: Cross multiply
    87,723.60x = 131,477.40 × 59,643.60
  4. Step 4: Simplify right side
    87,723.60x = 7,841,785,454.64
  5. Step 5: Solve for x
    x = 7,841,785,454.64/87,723.60
  6. Step 6: Final answer
    x = 89,391.97

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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.