Home / 87,677.63-121,006.98-49,445.04

Finding the Fourth Proportional to 87,677.63, 121,006.98 and 49,445.04

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Solution

The fourth proportional to 87,677.63, 121,006.98 and 49,445.04 is: 68,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677.63 : 121,006.98 = 49,445.04 : x
  2. Step 2: Convert to fraction form
    87,677.63/121,006.98 = 49,445.04/x
  3. Step 3: Cross multiply
    87,677.63x = 121,006.98 × 49,445.04
  4. Step 4: Simplify right side
    87,677.63x = 5,983,194,966.38
  5. Step 5: Solve for x
    x = 5,983,194,966.38/87,677.63
  6. Step 6: Final answer
    x = 68,240.84

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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.