Home / 66,366.45-99,310.05-57,118.02

Finding the Fourth Proportional to 66,366.45, 99,310.05 and 57,118.02

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Solution

The fourth proportional to 66,366.45, 99,310.05 and 57,118.02 is: 85,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.45 : 99,310.05 = 57,118.02 : x
  2. Step 2: Convert to fraction form
    66,366.45/99,310.05 = 57,118.02/x
  3. Step 3: Cross multiply
    66,366.45x = 99,310.05 × 57,118.02
  4. Step 4: Simplify right side
    66,366.45x = 5,672,393,422.10
  5. Step 5: Solve for x
    x = 5,672,393,422.10/66,366.45
  6. Step 6: Final answer
    x = 85,470.80

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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.