Home / 75,630.52-113,380.14-38,159.02

Finding the Fourth Proportional to 75,630.52, 113,380.14 and 38,159.02

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Solution

The fourth proportional to 75,630.52, 113,380.14 and 38,159.02 is: 57,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.52 : 113,380.14 = 38,159.02 : x
  2. Step 2: Convert to fraction form
    75,630.52/113,380.14 = 38,159.02/x
  3. Step 3: Cross multiply
    75,630.52x = 113,380.14 × 38,159.02
  4. Step 4: Simplify right side
    75,630.52x = 4,326,475,029.86
  5. Step 5: Solve for x
    x = 4,326,475,029.86/75,630.52
  6. Step 6: Final answer
    x = 57,205.41

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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.