Home / 52,715.38-79,060.65-19,417.36

Finding the Fourth Proportional to 52,715.38, 79,060.65 and 19,417.36

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Solution

The fourth proportional to 52,715.38, 79,060.65 and 19,417.36 is: 29,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.38 : 79,060.65 = 19,417.36 : x
  2. Step 2: Convert to fraction form
    52,715.38/79,060.65 = 19,417.36/x
  3. Step 3: Cross multiply
    52,715.38x = 79,060.65 × 19,417.36
  4. Step 4: Simplify right side
    52,715.38x = 1,535,149,102.88
  5. Step 5: Solve for x
    x = 1,535,149,102.88/52,715.38
  6. Step 6: Final answer
    x = 29,121.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.