Home / 66,837.59-92,234.66-39,631.98

Finding the Fourth Proportional to 66,837.59, 92,234.66 and 39,631.98

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Solution

The fourth proportional to 66,837.59, 92,234.66 and 39,631.98 is: 54,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.59 : 92,234.66 = 39,631.98 : x
  2. Step 2: Convert to fraction form
    66,837.59/92,234.66 = 39,631.98/x
  3. Step 3: Cross multiply
    66,837.59x = 92,234.66 × 39,631.98
  4. Step 4: Simplify right side
    66,837.59x = 3,655,442,299.51
  5. Step 5: Solve for x
    x = 3,655,442,299.51/66,837.59
  6. Step 6: Final answer
    x = 54,691.42

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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.