Home / 42,937.72-64,399.14-11,348.14

Finding the Fourth Proportional to 42,937.72, 64,399.14 and 11,348.14

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Solution

The fourth proportional to 42,937.72, 64,399.14 and 11,348.14 is: 17,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.72 : 64,399.14 = 11,348.14 : x
  2. Step 2: Convert to fraction form
    42,937.72/64,399.14 = 11,348.14/x
  3. Step 3: Cross multiply
    42,937.72x = 64,399.14 × 11,348.14
  4. Step 4: Simplify right side
    42,937.72x = 730,810,456.60
  5. Step 5: Solve for x
    x = 730,810,456.60/42,937.72
  6. Step 6: Final answer
    x = 17,020.24

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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.