Home / 43,474.38-64,625.34-42,197.28

Finding the Fourth Proportional to 43,474.38, 64,625.34 and 42,197.28

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Solution

The fourth proportional to 43,474.38, 64,625.34 and 42,197.28 is: 62,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.38 : 64,625.34 = 42,197.28 : x
  2. Step 2: Convert to fraction form
    43,474.38/64,625.34 = 42,197.28/x
  3. Step 3: Cross multiply
    43,474.38x = 64,625.34 × 42,197.28
  4. Step 4: Simplify right side
    43,474.38x = 2,727,013,567.08
  5. Step 5: Solve for x
    x = 2,727,013,567.08/43,474.38
  6. Step 6: Final answer
    x = 62,726.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.