Home / 66,618.60-99,916.38-25,065.96

Finding the Fourth Proportional to 66,618.60, 99,916.38 and 25,065.96

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Solution

The fourth proportional to 66,618.60, 99,916.38 and 25,065.96 is: 37,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,618.60 : 99,916.38 = 25,065.96 : x
  2. Step 2: Convert to fraction form
    66,618.60/99,916.38 = 25,065.96/x
  3. Step 3: Cross multiply
    66,618.60x = 99,916.38 × 25,065.96
  4. Step 4: Simplify right side
    66,618.60x = 2,504,499,984.42
  5. Step 5: Solve for x
    x = 2,504,499,984.42/66,618.60
  6. Step 6: Final answer
    x = 37,594.61

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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.