Home / 61,979.11-85,531.76-36,823.75

Finding the Fourth Proportional to 61,979.11, 85,531.76 and 36,823.75

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Solution

The fourth proportional to 61,979.11, 85,531.76 and 36,823.75 is: 50,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.11 : 85,531.76 = 36,823.75 : x
  2. Step 2: Convert to fraction form
    61,979.11/85,531.76 = 36,823.75/x
  3. Step 3: Cross multiply
    61,979.11x = 85,531.76 × 36,823.75
  4. Step 4: Simplify right side
    61,979.11x = 3,149,600,147.30
  5. Step 5: Solve for x
    x = 3,149,600,147.30/61,979.11
  6. Step 6: Final answer
    x = 50,817.12

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1.5x scale

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.