Home / 79,125.60-118,732.40-32,375.20

Finding the Fourth Proportional to 79,125.60, 118,732.40 and 32,375.20

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Solution

The fourth proportional to 79,125.60, 118,732.40 and 32,375.20 is: 48,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.60 : 118,732.40 = 32,375.20 : x
  2. Step 2: Convert to fraction form
    79,125.60/118,732.40 = 32,375.20/x
  3. Step 3: Cross multiply
    79,125.60x = 118,732.40 × 32,375.20
  4. Step 4: Simplify right side
    79,125.60x = 3,843,985,196.48
  5. Step 5: Solve for x
    x = 3,843,985,196.48/79,125.60
  6. Step 6: Final answer
    x = 48,580.80

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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.