Home / 77,139.06-115,677-24,534.42

Finding the Fourth Proportional to 77,139.06, 115,677 and 24,534.42

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Solution

The fourth proportional to 77,139.06, 115,677 and 24,534.42 is: 36,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,139.06 : 115,677 = 24,534.42 : x
  2. Step 2: Convert to fraction form
    77,139.06/115,677 = 24,534.42/x
  3. Step 3: Cross multiply
    77,139.06x = 115,677 × 24,534.42
  4. Step 4: Simplify right side
    77,139.06x = 2,838,068,102.34
  5. Step 5: Solve for x
    x = 2,838,068,102.34/77,139.06
  6. Step 6: Final answer
    x = 36,791.58

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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.