Home / 79,251.05-109,377.65-49,046.10

Finding the Fourth Proportional to 79,251.05, 109,377.65 and 49,046.10

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Solution

The fourth proportional to 79,251.05, 109,377.65 and 49,046.10 is: 67,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.05 : 109,377.65 = 49,046.10 : x
  2. Step 2: Convert to fraction form
    79,251.05/109,377.65 = 49,046.10/x
  3. Step 3: Cross multiply
    79,251.05x = 109,377.65 × 49,046.10
  4. Step 4: Simplify right side
    79,251.05x = 5,364,547,159.67
  5. Step 5: Solve for x
    x = 5,364,547,159.67/79,251.05
  6. Step 6: Final answer
    x = 67,690.55

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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.