Home / 87,773.01-121,127.62-47,487.63

Finding the Fourth Proportional to 87,773.01, 121,127.62 and 47,487.63

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Solution

The fourth proportional to 87,773.01, 121,127.62 and 47,487.63 is: 65,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,773.01 : 121,127.62 = 47,487.63 : x
  2. Step 2: Convert to fraction form
    87,773.01/121,127.62 = 47,487.63/x
  3. Step 3: Cross multiply
    87,773.01x = 121,127.62 × 47,487.63
  4. Step 4: Simplify right side
    87,773.01x = 5,752,063,601.34
  5. Step 5: Solve for x
    x = 5,752,063,601.34/87,773.01
  6. Step 6: Final answer
    x = 65,533.40

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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.