Home / 60,474.20-90,711.30-38,312.60

Finding the Fourth Proportional to 60,474.20, 90,711.30 and 38,312.60

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Solution

The fourth proportional to 60,474.20, 90,711.30 and 38,312.60 is: 57,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,474.20 : 90,711.30 = 38,312.60 : x
  2. Step 2: Convert to fraction form
    60,474.20/90,711.30 = 38,312.60/x
  3. Step 3: Cross multiply
    60,474.20x = 90,711.30 × 38,312.60
  4. Step 4: Simplify right side
    60,474.20x = 3,475,385,752.38
  5. Step 5: Solve for x
    x = 3,475,385,752.38/60,474.20
  6. Step 6: Final answer
    x = 57,468.90

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1.5x scale

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.