Home / 85,900.82-118,549.05-48,177.50

Finding the Fourth Proportional to 85,900.82, 118,549.05 and 48,177.50

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Solution

The fourth proportional to 85,900.82, 118,549.05 and 48,177.50 is: 66,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,900.82 : 118,549.05 = 48,177.50 : x
  2. Step 2: Convert to fraction form
    85,900.82/118,549.05 = 48,177.50/x
  3. Step 3: Cross multiply
    85,900.82x = 118,549.05 × 48,177.50
  4. Step 4: Simplify right side
    85,900.82x = 5,711,396,856.38
  5. Step 5: Solve for x
    x = 5,711,396,856.38/85,900.82
  6. Step 6: Final answer
    x = 66,488.27

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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.