Home / 77,844.34-116,691.75-49,684.90

Finding the Fourth Proportional to 77,844.34, 116,691.75 and 49,684.90

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Solution

The fourth proportional to 77,844.34, 116,691.75 and 49,684.90 is: 74,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.34 : 116,691.75 = 49,684.90 : x
  2. Step 2: Convert to fraction form
    77,844.34/116,691.75 = 49,684.90/x
  3. Step 3: Cross multiply
    77,844.34x = 116,691.75 × 49,684.90
  4. Step 4: Simplify right side
    77,844.34x = 5,797,817,929.58
  5. Step 5: Solve for x
    x = 5,797,817,929.58/77,844.34
  6. Step 6: Final answer
    x = 74,479.63

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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.