Home / 66,583.89-91,890.05-38,288.97

Finding the Fourth Proportional to 66,583.89, 91,890.05 and 38,288.97

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Solution

The fourth proportional to 66,583.89, 91,890.05 and 38,288.97 is: 52,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.89 : 91,890.05 = 38,288.97 : x
  2. Step 2: Convert to fraction form
    66,583.89/91,890.05 = 38,288.97/x
  3. Step 3: Cross multiply
    66,583.89x = 91,890.05 × 38,288.97
  4. Step 4: Simplify right side
    66,583.89x = 3,518,375,176.30
  5. Step 5: Solve for x
    x = 3,518,375,176.30/66,583.89
  6. Step 6: Final answer
    x = 52,841.24

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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.