Home / 70,110.72-96,751.92-38,279.28

Finding the Fourth Proportional to 70,110.72, 96,751.92 and 38,279.28

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Solution

The fourth proportional to 70,110.72, 96,751.92 and 38,279.28 is: 52,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.72 : 96,751.92 = 38,279.28 : x
  2. Step 2: Convert to fraction form
    70,110.72/96,751.92 = 38,279.28/x
  3. Step 3: Cross multiply
    70,110.72x = 96,751.92 × 38,279.28
  4. Step 4: Simplify right side
    70,110.72x = 3,703,593,836.22
  5. Step 5: Solve for x
    x = 3,703,593,836.22/70,110.72
  6. Step 6: Final answer
    x = 52,824.93

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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.