Home / 63,634.97-88,006.55-55,663.35

Finding the Fourth Proportional to 63,634.97, 88,006.55 and 55,663.35

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Solution

The fourth proportional to 63,634.97, 88,006.55 and 55,663.35 is: 76,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.97 : 88,006.55 = 55,663.35 : x
  2. Step 2: Convert to fraction form
    63,634.97/88,006.55 = 55,663.35/x
  3. Step 3: Cross multiply
    63,634.97x = 88,006.55 × 55,663.35
  4. Step 4: Simplify right side
    63,634.97x = 4,898,739,116.63
  5. Step 5: Solve for x
    x = 4,898,739,116.63/63,634.97
  6. Step 6: Final answer
    x = 76,981.88

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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.