Home / 67,531.78-93,193.50-37,319.20

Finding the Fourth Proportional to 67,531.78, 93,193.50 and 37,319.20

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Solution

The fourth proportional to 67,531.78, 93,193.50 and 37,319.20 is: 51,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,531.78 : 93,193.50 = 37,319.20 : x
  2. Step 2: Convert to fraction form
    67,531.78/93,193.50 = 37,319.20/x
  3. Step 3: Cross multiply
    67,531.78x = 93,193.50 × 37,319.20
  4. Step 4: Simplify right side
    67,531.78x = 3,477,906,865.20
  5. Step 5: Solve for x
    x = 3,477,906,865.20/67,531.78
  6. Step 6: Final answer
    x = 51,500.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.