Home / 57,377.40-86,066.18-17,934.72

Finding the Fourth Proportional to 57,377.40, 86,066.18 and 17,934.72

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Solution

The fourth proportional to 57,377.40, 86,066.18 and 17,934.72 is: 26,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.40 : 86,066.18 = 17,934.72 : x
  2. Step 2: Convert to fraction form
    57,377.40/86,066.18 = 17,934.72/x
  3. Step 3: Cross multiply
    57,377.40x = 86,066.18 × 17,934.72
  4. Step 4: Simplify right side
    57,377.40x = 1,543,572,750.10
  5. Step 5: Solve for x
    x = 1,543,572,750.10/57,377.40
  6. Step 6: Final answer
    x = 26,902.10

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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.