Home / 66,299.96-99,449.94-54,588.57

Finding the Fourth Proportional to 66,299.96, 99,449.94 and 54,588.57

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Solution

The fourth proportional to 66,299.96, 99,449.94 and 54,588.57 is: 81,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.96 : 99,449.94 = 54,588.57 : x
  2. Step 2: Convert to fraction form
    66,299.96/99,449.94 = 54,588.57/x
  3. Step 3: Cross multiply
    66,299.96x = 99,449.94 × 54,588.57
  4. Step 4: Simplify right side
    66,299.96x = 5,428,829,738.24
  5. Step 5: Solve for x
    x = 5,428,829,738.24/66,299.96
  6. Step 6: Final answer
    x = 81,882.86

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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.