Home / 95,487.81-131,723.76-64,862.48

Finding the Fourth Proportional to 95,487.81, 131,723.76 and 64,862.48

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Solution

The fourth proportional to 95,487.81, 131,723.76 and 64,862.48 is: 89,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,487.81 : 131,723.76 = 64,862.48 : x
  2. Step 2: Convert to fraction form
    95,487.81/131,723.76 = 64,862.48/x
  3. Step 3: Cross multiply
    95,487.81x = 131,723.76 × 64,862.48
  4. Step 4: Simplify right side
    95,487.81x = 8,543,929,215.27
  5. Step 5: Solve for x
    x = 8,543,929,215.27/95,487.81
  6. Step 6: Final answer
    x = 89,476.65

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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.