Home / 67,762.02-93,512.94-39,469.53

Finding the Fourth Proportional to 67,762.02, 93,512.94 and 39,469.53

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Solution

The fourth proportional to 67,762.02, 93,512.94 and 39,469.53 is: 54,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,762.02 : 93,512.94 = 39,469.53 : x
  2. Step 2: Convert to fraction form
    67,762.02/93,512.94 = 39,469.53/x
  3. Step 3: Cross multiply
    67,762.02x = 93,512.94 × 39,469.53
  4. Step 4: Simplify right side
    67,762.02x = 3,690,912,123.17
  5. Step 5: Solve for x
    x = 3,690,912,123.17/67,762.02
  6. Step 6: Final answer
    x = 54,468.74

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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.