Home / 66,359.12-99,579.38-26,916.57

Finding the Fourth Proportional to 66,359.12, 99,579.38 and 26,916.57

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Solution

The fourth proportional to 66,359.12, 99,579.38 and 26,916.57 is: 40,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.12 : 99,579.38 = 26,916.57 : x
  2. Step 2: Convert to fraction form
    66,359.12/99,579.38 = 26,916.57/x
  3. Step 3: Cross multiply
    66,359.12x = 99,579.38 × 26,916.57
  4. Step 4: Simplify right side
    66,359.12x = 2,680,335,217.74
  5. Step 5: Solve for x
    x = 2,680,335,217.74/66,359.12
  6. Step 6: Final answer
    x = 40,391.36

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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.