Home / 69,502.05-95,909.67-38,876.76

Finding the Fourth Proportional to 69,502.05, 95,909.67 and 38,876.76

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Solution

The fourth proportional to 69,502.05, 95,909.67 and 38,876.76 is: 53,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.05 : 95,909.67 = 38,876.76 : x
  2. Step 2: Convert to fraction form
    69,502.05/95,909.67 = 38,876.76/x
  3. Step 3: Cross multiply
    69,502.05x = 95,909.67 × 38,876.76
  4. Step 4: Simplify right side
    69,502.05x = 3,728,657,222.27
  5. Step 5: Solve for x
    x = 3,728,657,222.27/69,502.05
  6. Step 6: Final answer
    x = 53,648.16

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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.