Home / 80,930.39-121,391.10-24,770.46

Finding the Fourth Proportional to 80,930.39, 121,391.10 and 24,770.46

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Solution

The fourth proportional to 80,930.39, 121,391.10 and 24,770.46 is: 37,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930.39 : 121,391.10 = 24,770.46 : x
  2. Step 2: Convert to fraction form
    80,930.39/121,391.10 = 24,770.46/x
  3. Step 3: Cross multiply
    80,930.39x = 121,391.10 × 24,770.46
  4. Step 4: Simplify right side
    80,930.39x = 3,006,913,386.91
  5. Step 5: Solve for x
    x = 3,006,913,386.91/80,930.39
  6. Step 6: Final answer
    x = 37,154.32

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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.