Home / 66,299.45-99,449.18-54,588.07

Finding the Fourth Proportional to 66,299.45, 99,449.18 and 54,588.07

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Solution

The fourth proportional to 66,299.45, 99,449.18 and 54,588.07 is: 81,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.45 : 99,449.18 = 54,588.07 : x
  2. Step 2: Convert to fraction form
    66,299.45/99,449.18 = 54,588.07/x
  3. Step 3: Cross multiply
    66,299.45x = 99,449.18 × 54,588.07
  4. Step 4: Simplify right side
    66,299.45x = 5,428,738,687.13
  5. Step 5: Solve for x
    x = 5,428,738,687.13/66,299.45
  6. Step 6: Final answer
    x = 81,882.10

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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.