Home / 67,438.02-93,067.56-38,766.98

Finding the Fourth Proportional to 67,438.02, 93,067.56 and 38,766.98

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Solution

The fourth proportional to 67,438.02, 93,067.56 and 38,766.98 is: 53,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.02 : 93,067.56 = 38,766.98 : x
  2. Step 2: Convert to fraction form
    67,438.02/93,067.56 = 38,766.98/x
  3. Step 3: Cross multiply
    67,438.02x = 93,067.56 × 38,766.98
  4. Step 4: Simplify right side
    67,438.02x = 3,607,948,099.05
  5. Step 5: Solve for x
    x = 3,607,948,099.05/67,438.02
  6. Step 6: Final answer
    x = 53,500.21

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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.