Home / 70,110.96-96,753.09-38,279.86

Finding the Fourth Proportional to 70,110.96, 96,753.09 and 38,279.86

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Solution

The fourth proportional to 70,110.96, 96,753.09 and 38,279.86 is: 52,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.96 : 96,753.09 = 38,279.86 : x
  2. Step 2: Convert to fraction form
    70,110.96/96,753.09 = 38,279.86/x
  3. Step 3: Cross multiply
    70,110.96x = 96,753.09 × 38,279.86
  4. Step 4: Simplify right side
    70,110.96x = 3,703,694,426.11
  5. Step 5: Solve for x
    x = 3,703,694,426.11/70,110.96
  6. Step 6: Final answer
    x = 52,826.18

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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.