Home / 51,385.31-77,126.01-26,102.92

Finding the Fourth Proportional to 51,385.31, 77,126.01 and 26,102.92

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Solution

The fourth proportional to 51,385.31, 77,126.01 and 26,102.92 is: 39,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.31 : 77,126.01 = 26,102.92 : x
  2. Step 2: Convert to fraction form
    51,385.31/77,126.01 = 26,102.92/x
  3. Step 3: Cross multiply
    51,385.31x = 77,126.01 × 26,102.92
  4. Step 4: Simplify right side
    51,385.31x = 2,013,213,876.13
  5. Step 5: Solve for x
    x = 2,013,213,876.13/51,385.31
  6. Step 6: Final answer
    x = 39,178.78

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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.