Home / 44,218.40-66,327.60-40,839.20

Finding the Fourth Proportional to 44,218.40, 66,327.60 and 40,839.20

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Solution

The fourth proportional to 44,218.40, 66,327.60 and 40,839.20 is: 61,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,218.40 : 66,327.60 = 40,839.20 : x
  2. Step 2: Convert to fraction form
    44,218.40/66,327.60 = 40,839.20/x
  3. Step 3: Cross multiply
    44,218.40x = 66,327.60 × 40,839.20
  4. Step 4: Simplify right side
    44,218.40x = 2,708,766,121.92
  5. Step 5: Solve for x
    x = 2,708,766,121.92/44,218.40
  6. Step 6: Final answer
    x = 61,258.80

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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.