Home / 57,726.90-86,590.35-54,227.70

Finding the Fourth Proportional to 57,726.90, 86,590.35 and 54,227.70

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Solution

The fourth proportional to 57,726.90, 86,590.35 and 54,227.70 is: 81,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.90 : 86,590.35 = 54,227.70 : x
  2. Step 2: Convert to fraction form
    57,726.90/86,590.35 = 54,227.70/x
  3. Step 3: Cross multiply
    57,726.90x = 86,590.35 × 54,227.70
  4. Step 4: Simplify right side
    57,726.90x = 4,695,595,522.70
  5. Step 5: Solve for x
    x = 4,695,595,522.70/57,726.90
  6. Step 6: Final answer
    x = 81,341.55

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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.