Home / 79,472.38-109,673.91-43,663.29

Finding the Fourth Proportional to 79,472.38, 109,673.91 and 43,663.29

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Solution

The fourth proportional to 79,472.38, 109,673.91 and 43,663.29 is: 60,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.38 : 109,673.91 = 43,663.29 : x
  2. Step 2: Convert to fraction form
    79,472.38/109,673.91 = 43,663.29/x
  3. Step 3: Cross multiply
    79,472.38x = 109,673.91 × 43,663.29
  4. Step 4: Simplify right side
    79,472.38x = 4,788,723,737.76
  5. Step 5: Solve for x
    x = 4,788,723,737.76/79,472.38
  6. Step 6: Final answer
    x = 60,256.45

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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.