Home / 57,743.40-86,615.10-54,244.20

Finding the Fourth Proportional to 57,743.40, 86,615.10 and 54,244.20

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Solution

The fourth proportional to 57,743.40, 86,615.10 and 54,244.20 is: 81,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.40 : 86,615.10 = 54,244.20 : x
  2. Step 2: Convert to fraction form
    57,743.40/86,615.10 = 54,244.20/x
  3. Step 3: Cross multiply
    57,743.40x = 86,615.10 × 54,244.20
  4. Step 4: Simplify right side
    57,743.40x = 4,698,366,807.42
  5. Step 5: Solve for x
    x = 4,698,366,807.42/57,743.40
  6. Step 6: Final answer
    x = 81,366.30

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Similar ratio
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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.