Home / 66,068.72-91,171.92-37,776.26

Finding the Fourth Proportional to 66,068.72, 91,171.92 and 37,776.26

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Solution

The fourth proportional to 66,068.72, 91,171.92 and 37,776.26 is: 52,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.72 : 91,171.92 = 37,776.26 : x
  2. Step 2: Convert to fraction form
    66,068.72/91,171.92 = 37,776.26/x
  3. Step 3: Cross multiply
    66,068.72x = 91,171.92 × 37,776.26
  4. Step 4: Simplify right side
    66,068.72x = 3,444,134,154.62
  5. Step 5: Solve for x
    x = 3,444,134,154.62/66,068.72
  6. Step 6: Final answer
    x = 52,129.57

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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.