Home / 54,502.30-81,753.45-45,948.70

Finding the Fourth Proportional to 54,502.30, 81,753.45 and 45,948.70

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Solution

The fourth proportional to 54,502.30, 81,753.45 and 45,948.70 is: 68,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,502.30 : 81,753.45 = 45,948.70 : x
  2. Step 2: Convert to fraction form
    54,502.30/81,753.45 = 45,948.70/x
  3. Step 3: Cross multiply
    54,502.30x = 81,753.45 × 45,948.70
  4. Step 4: Simplify right side
    54,502.30x = 3,756,464,748.02
  5. Step 5: Solve for x
    x = 3,756,464,748.02/54,502.30
  6. Step 6: Final answer
    x = 68,923.05

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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.