Home / 61,856.26-85,374.33-34,999.78

Finding the Fourth Proportional to 61,856.26, 85,374.33 and 34,999.78

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Solution

The fourth proportional to 61,856.26, 85,374.33 and 34,999.78 is: 48,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.26 : 85,374.33 = 34,999.78 : x
  2. Step 2: Convert to fraction form
    61,856.26/85,374.33 = 34,999.78/x
  3. Step 3: Cross multiply
    61,856.26x = 85,374.33 × 34,999.78
  4. Step 4: Simplify right side
    61,856.26x = 2,988,082,767.65
  5. Step 5: Solve for x
    x = 2,988,082,767.65/61,856.26
  6. Step 6: Final answer
    x = 48,306.88

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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.