Home / 54,329.55-81,330.30-48,424.65

Finding the Fourth Proportional to 54,329.55, 81,330.30 and 48,424.65

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Solution

The fourth proportional to 54,329.55, 81,330.30 and 48,424.65 is: 72,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.55 : 81,330.30 = 48,424.65 : x
  2. Step 2: Convert to fraction form
    54,329.55/81,330.30 = 48,424.65/x
  3. Step 3: Cross multiply
    54,329.55x = 81,330.30 × 48,424.65
  4. Step 4: Simplify right side
    54,329.55x = 3,938,391,311.90
  5. Step 5: Solve for x
    x = 3,938,391,311.90/54,329.55
  6. Step 6: Final answer
    x = 72,490.78

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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.