Home / 78,833.10-118,249.65-32,061.90

Finding the Fourth Proportional to 78,833.10, 118,249.65 and 32,061.90

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Solution

The fourth proportional to 78,833.10, 118,249.65 and 32,061.90 is: 48,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.10 : 118,249.65 = 32,061.90 : x
  2. Step 2: Convert to fraction form
    78,833.10/118,249.65 = 32,061.90/x
  3. Step 3: Cross multiply
    78,833.10x = 118,249.65 × 32,061.90
  4. Step 4: Simplify right side
    78,833.10x = 3,791,308,453.34
  5. Step 5: Solve for x
    x = 3,791,308,453.34/78,833.10
  6. Step 6: Final answer
    x = 48,092.85

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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.