Home / 50,979.16-70,346.05-29,770.71

Finding the Fourth Proportional to 50,979.16, 70,346.05 and 29,770.71

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Solution

The fourth proportional to 50,979.16, 70,346.05 and 29,770.71 is: 41,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.16 : 70,346.05 = 29,770.71 : x
  2. Step 2: Convert to fraction form
    50,979.16/70,346.05 = 29,770.71/x
  3. Step 3: Cross multiply
    50,979.16x = 70,346.05 × 29,770.71
  4. Step 4: Simplify right side
    50,979.16x = 2,094,251,854.20
  5. Step 5: Solve for x
    x = 2,094,251,854.20/50,979.16
  6. Step 6: Final answer
    x = 41,080.55

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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.