Home / 57,377.18-85,489.07-54,154.21

Finding the Fourth Proportional to 57,377.18, 85,489.07 and 54,154.21

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Solution

The fourth proportional to 57,377.18, 85,489.07 and 54,154.21 is: 80,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.18 : 85,489.07 = 54,154.21 : x
  2. Step 2: Convert to fraction form
    57,377.18/85,489.07 = 54,154.21/x
  3. Step 3: Cross multiply
    57,377.18x = 85,489.07 × 54,154.21
  4. Step 4: Simplify right side
    57,377.18x = 4,629,592,778.71
  5. Step 5: Solve for x
    x = 4,629,592,778.71/57,377.18
  6. Step 6: Final answer
    x = 80,687.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.