Home / 67,449.20-93,083.02-38,778.18

Finding the Fourth Proportional to 67,449.20, 93,083.02 and 38,778.18

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Solution

The fourth proportional to 67,449.20, 93,083.02 and 38,778.18 is: 53,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,449.20 : 93,083.02 = 38,778.18 : x
  2. Step 2: Convert to fraction form
    67,449.20/93,083.02 = 38,778.18/x
  3. Step 3: Cross multiply
    67,449.20x = 93,083.02 × 38,778.18
  4. Step 4: Simplify right side
    67,449.20x = 3,609,590,104.50
  5. Step 5: Solve for x
    x = 3,609,590,104.50/67,449.20
  6. Step 6: Final answer
    x = 53,515.68

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1.5x scale

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.