Home / 67,562.13-101,288.49-28,148.75

Finding the Fourth Proportional to 67,562.13, 101,288.49 and 28,148.75

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Solution

The fourth proportional to 67,562.13, 101,288.49 and 28,148.75 is: 42,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,562.13 : 101,288.49 = 28,148.75 : x
  2. Step 2: Convert to fraction form
    67,562.13/101,288.49 = 28,148.75/x
  3. Step 3: Cross multiply
    67,562.13x = 101,288.49 × 28,148.75
  4. Step 4: Simplify right side
    67,562.13x = 2,851,143,876.45
  5. Step 5: Solve for x
    x = 2,851,143,876.45/67,562.13
  6. Step 6: Final answer
    x = 42,200.33

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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.