Home / 57,072.30-78,791.45-34,417.03

Finding the Fourth Proportional to 57,072.30, 78,791.45 and 34,417.03

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Solution

The fourth proportional to 57,072.30, 78,791.45 and 34,417.03 is: 47,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.30 : 78,791.45 = 34,417.03 : x
  2. Step 2: Convert to fraction form
    57,072.30/78,791.45 = 34,417.03/x
  3. Step 3: Cross multiply
    57,072.30x = 78,791.45 × 34,417.03
  4. Step 4: Simplify right side
    57,072.30x = 2,711,767,966.13
  5. Step 5: Solve for x
    x = 2,711,767,966.13/57,072.30
  6. Step 6: Final answer
    x = 47,514.61

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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.