Home / 54,151.30-81,226.95-45,597.70

Finding the Fourth Proportional to 54,151.30, 81,226.95 and 45,597.70

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Solution

The fourth proportional to 54,151.30, 81,226.95 and 45,597.70 is: 68,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.30 : 81,226.95 = 45,597.70 : x
  2. Step 2: Convert to fraction form
    54,151.30/81,226.95 = 45,597.70/x
  3. Step 3: Cross multiply
    54,151.30x = 81,226.95 × 45,597.70
  4. Step 4: Simplify right side
    54,151.30x = 3,703,762,098.02
  5. Step 5: Solve for x
    x = 3,703,762,098.02/54,151.30
  6. Step 6: Final answer
    x = 68,396.55

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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.