Home / 66,084.32-91,174.14-37,769.96

Finding the Fourth Proportional to 66,084.32, 91,174.14 and 37,769.96

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Solution

The fourth proportional to 66,084.32, 91,174.14 and 37,769.96 is: 52,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.32 : 91,174.14 = 37,769.96 : x
  2. Step 2: Convert to fraction form
    66,084.32/91,174.14 = 37,769.96/x
  3. Step 3: Cross multiply
    66,084.32x = 91,174.14 × 37,769.96
  4. Step 4: Simplify right side
    66,084.32x = 3,443,643,620.83
  5. Step 5: Solve for x
    x = 3,443,643,620.83/66,084.32
  6. Step 6: Final answer
    x = 52,109.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.