Home / 48,002.40-72,003.60-44,503.20

Finding the Fourth Proportional to 48,002.40, 72,003.60 and 44,503.20

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Solution

The fourth proportional to 48,002.40, 72,003.60 and 44,503.20 is: 66,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002.40 : 72,003.60 = 44,503.20 : x
  2. Step 2: Convert to fraction form
    48,002.40/72,003.60 = 44,503.20/x
  3. Step 3: Cross multiply
    48,002.40x = 72,003.60 × 44,503.20
  4. Step 4: Simplify right side
    48,002.40x = 3,204,390,611.52
  5. Step 5: Solve for x
    x = 3,204,390,611.52/48,002.40
  6. Step 6: Final answer
    x = 66,754.80

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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.