Home / 60,472.20-90,708.30-38,310.60

Finding the Fourth Proportional to 60,472.20, 90,708.30 and 38,310.60

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Solution

The fourth proportional to 60,472.20, 90,708.30 and 38,310.60 is: 57,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.20 : 90,708.30 = 38,310.60 : x
  2. Step 2: Convert to fraction form
    60,472.20/90,708.30 = 38,310.60/x
  3. Step 3: Cross multiply
    60,472.20x = 90,708.30 × 38,310.60
  4. Step 4: Simplify right side
    60,472.20x = 3,475,089,397.98
  5. Step 5: Solve for x
    x = 3,475,089,397.98/60,472.20
  6. Step 6: Final answer
    x = 57,465.90

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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.