Home / 76,933.71-115,363.61-36,373.46

Finding the Fourth Proportional to 76,933.71, 115,363.61 and 36,373.46

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Solution

The fourth proportional to 76,933.71, 115,363.61 and 36,373.46 is: 54,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,933.71 : 115,363.61 = 36,373.46 : x
  2. Step 2: Convert to fraction form
    76,933.71/115,363.61 = 36,373.46/x
  3. Step 3: Cross multiply
    76,933.71x = 115,363.61 × 36,373.46
  4. Step 4: Simplify right side
    76,933.71x = 4,196,172,895.11
  5. Step 5: Solve for x
    x = 4,196,172,895.11/76,933.71
  6. Step 6: Final answer
    x = 54,542.71

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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.