Home / 87,896.40-121,294.44-49,657.74

Finding the Fourth Proportional to 87,896.40, 121,294.44 and 49,657.74

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Solution

The fourth proportional to 87,896.40, 121,294.44 and 49,657.74 is: 68,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,896.40 : 121,294.44 = 49,657.74 : x
  2. Step 2: Convert to fraction form
    87,896.40/121,294.44 = 49,657.74/x
  3. Step 3: Cross multiply
    87,896.40x = 121,294.44 × 49,657.74
  4. Step 4: Simplify right side
    87,896.40x = 6,023,207,764.97
  5. Step 5: Solve for x
    x = 6,023,207,764.97/87,896.40
  6. Step 6: Final answer
    x = 68,526.22

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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.