Home / 69,961.27-96,543.74-38,129.48

Finding the Fourth Proportional to 69,961.27, 96,543.74 and 38,129.48

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Solution

The fourth proportional to 69,961.27, 96,543.74 and 38,129.48 is: 52,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.27 : 96,543.74 = 38,129.48 : x
  2. Step 2: Convert to fraction form
    69,961.27/96,543.74 = 38,129.48/x
  3. Step 3: Cross multiply
    69,961.27x = 96,543.74 × 38,129.48
  4. Step 4: Simplify right side
    69,961.27x = 3,681,162,412.81
  5. Step 5: Solve for x
    x = 3,681,162,412.81/69,961.27
  6. Step 6: Final answer
    x = 52,617.15

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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.