Home / 71,944.53-107,947.95-38,625.72

Finding the Fourth Proportional to 71,944.53, 107,947.95 and 38,625.72

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Solution

The fourth proportional to 71,944.53, 107,947.95 and 38,625.72 is: 57,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.53 : 107,947.95 = 38,625.72 : x
  2. Step 2: Convert to fraction form
    71,944.53/107,947.95 = 38,625.72/x
  3. Step 3: Cross multiply
    71,944.53x = 107,947.95 × 38,625.72
  4. Step 4: Simplify right side
    71,944.53x = 4,169,567,291.27
  5. Step 5: Solve for x
    x = 4,169,567,291.27/71,944.53
  6. Step 6: Final answer
    x = 57,955.31

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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.