Home / 83,411.32-115,109.54-47,604.66

Finding the Fourth Proportional to 83,411.32, 115,109.54 and 47,604.66

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Solution

The fourth proportional to 83,411.32, 115,109.54 and 47,604.66 is: 65,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.32 : 115,109.54 = 47,604.66 : x
  2. Step 2: Convert to fraction form
    83,411.32/115,109.54 = 47,604.66/x
  3. Step 3: Cross multiply
    83,411.32x = 115,109.54 × 47,604.66
  4. Step 4: Simplify right side
    83,411.32x = 5,479,750,514.46
  5. Step 5: Solve for x
    x = 5,479,750,514.46/83,411.32
  6. Step 6: Final answer
    x = 65,695.53

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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.