Home / 69,971.91-96,560.22-38,140.92

Finding the Fourth Proportional to 69,971.91, 96,560.22 and 38,140.92

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Solution

The fourth proportional to 69,971.91, 96,560.22 and 38,140.92 is: 52,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.91 : 96,560.22 = 38,140.92 : x
  2. Step 2: Convert to fraction form
    69,971.91/96,560.22 = 38,140.92/x
  3. Step 3: Cross multiply
    69,971.91x = 96,560.22 × 38,140.92
  4. Step 4: Simplify right side
    69,971.91x = 3,682,895,626.20
  5. Step 5: Solve for x
    x = 3,682,895,626.20/69,971.91
  6. Step 6: Final answer
    x = 52,633.92

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Double scale
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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.