Home / 62,049.18-85,643.19-39,680.22

Finding the Fourth Proportional to 62,049.18, 85,643.19 and 39,680.22

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Solution

The fourth proportional to 62,049.18, 85,643.19 and 39,680.22 is: 54,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,049.18 : 85,643.19 = 39,680.22 : x
  2. Step 2: Convert to fraction form
    62,049.18/85,643.19 = 39,680.22/x
  3. Step 3: Cross multiply
    62,049.18x = 85,643.19 × 39,680.22
  4. Step 4: Simplify right side
    62,049.18x = 3,398,340,620.70
  5. Step 5: Solve for x
    x = 3,398,340,620.70/62,049.18
  6. Step 6: Final answer
    x = 54,768.50

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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.