Home / 77,251.52-106,669.10-62,095.61

Finding the Fourth Proportional to 77,251.52, 106,669.10 and 62,095.61

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Solution

The fourth proportional to 77,251.52, 106,669.10 and 62,095.61 is: 85,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251.52 : 106,669.10 = 62,095.61 : x
  2. Step 2: Convert to fraction form
    77,251.52/106,669.10 = 62,095.61/x
  3. Step 3: Cross multiply
    77,251.52x = 106,669.10 × 62,095.61
  4. Step 4: Simplify right side
    77,251.52x = 6,623,683,254.56
  5. Step 5: Solve for x
    x = 6,623,683,254.56/77,251.52
  6. Step 6: Final answer
    x = 85,741.78

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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.