Home / 54,240.56-74,788.20-43,476.80

Finding the Fourth Proportional to 54,240.56, 74,788.20 and 43,476.80

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Solution

The fourth proportional to 54,240.56, 74,788.20 and 43,476.80 is: 59,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.56 : 74,788.20 = 43,476.80 : x
  2. Step 2: Convert to fraction form
    54,240.56/74,788.20 = 43,476.80/x
  3. Step 3: Cross multiply
    54,240.56x = 74,788.20 × 43,476.80
  4. Step 4: Simplify right side
    54,240.56x = 3,251,551,613.76
  5. Step 5: Solve for x
    x = 3,251,551,613.76/54,240.56
  6. Step 6: Final answer
    x = 59,946.87

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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.