Home / 86,311.29-119,177.15-67,502.01

Finding the Fourth Proportional to 86,311.29, 119,177.15 and 67,502.01

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Solution

The fourth proportional to 86,311.29, 119,177.15 and 67,502.01 is: 93,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,311.29 : 119,177.15 = 67,502.01 : x
  2. Step 2: Convert to fraction form
    86,311.29/119,177.15 = 67,502.01/x
  3. Step 3: Cross multiply
    86,311.29x = 119,177.15 × 67,502.01
  4. Step 4: Simplify right side
    86,311.29x = 8,044,696,833.56
  5. Step 5: Solve for x
    x = 8,044,696,833.56/86,311.29
  6. Step 6: Final answer
    x = 93,205.61

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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.