Home / 70,111.22-96,752.61-38,279.78

Finding the Fourth Proportional to 70,111.22, 96,752.61 and 38,279.78

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Solution

The fourth proportional to 70,111.22, 96,752.61 and 38,279.78 is: 52,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.22 : 96,752.61 = 38,279.78 : x
  2. Step 2: Convert to fraction form
    70,111.22/96,752.61 = 38,279.78/x
  3. Step 3: Cross multiply
    70,111.22x = 96,752.61 × 38,279.78
  4. Step 4: Simplify right side
    70,111.22x = 3,703,668,625.23
  5. Step 5: Solve for x
    x = 3,703,668,625.23/70,111.22
  6. Step 6: Final answer
    x = 52,825.62

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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.