Home / 76,868.76-115,275.40-32,498.96

Finding the Fourth Proportional to 76,868.76, 115,275.40 and 32,498.96

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Solution

The fourth proportional to 76,868.76, 115,275.40 and 32,498.96 is: 48,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.76 : 115,275.40 = 32,498.96 : x
  2. Step 2: Convert to fraction form
    76,868.76/115,275.40 = 32,498.96/x
  3. Step 3: Cross multiply
    76,868.76x = 115,275.40 × 32,498.96
  4. Step 4: Simplify right side
    76,868.76x = 3,746,330,613.58
  5. Step 5: Solve for x
    x = 3,746,330,613.58/76,868.76
  6. Step 6: Final answer
    x = 48,736.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.