Home / 90,773.46-125,278.38-54,962.55

Finding the Fourth Proportional to 90,773.46, 125,278.38 and 54,962.55

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Solution

The fourth proportional to 90,773.46, 125,278.38 and 54,962.55 is: 75,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.46 : 125,278.38 = 54,962.55 : x
  2. Step 2: Convert to fraction form
    90,773.46/125,278.38 = 54,962.55/x
  3. Step 3: Cross multiply
    90,773.46x = 125,278.38 × 54,962.55
  4. Step 4: Simplify right side
    90,773.46x = 6,885,619,224.67
  5. Step 5: Solve for x
    x = 6,885,619,224.67/90,773.46
  6. Step 6: Final answer
    x = 75,854.98

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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.