Home / 76,921.38-115,386.27-24,326.94

Finding the Fourth Proportional to 76,921.38, 115,386.27 and 24,326.94

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Solution

The fourth proportional to 76,921.38, 115,386.27 and 24,326.94 is: 36,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,921.38 : 115,386.27 = 24,326.94 : x
  2. Step 2: Convert to fraction form
    76,921.38/115,386.27 = 24,326.94/x
  3. Step 3: Cross multiply
    76,921.38x = 115,386.27 × 24,326.94
  4. Step 4: Simplify right side
    76,921.38x = 2,806,994,867.11
  5. Step 5: Solve for x
    x = 2,806,994,867.11/76,921.38
  6. Step 6: Final answer
    x = 36,491.74

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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.