Home / 76,958.78-115,341.79-41,332.55

Finding the Fourth Proportional to 76,958.78, 115,341.79 and 41,332.55

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Solution

The fourth proportional to 76,958.78, 115,341.79 and 41,332.55 is: 61,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,958.78 : 115,341.79 = 41,332.55 : x
  2. Step 2: Convert to fraction form
    76,958.78/115,341.79 = 41,332.55/x
  3. Step 3: Cross multiply
    76,958.78x = 115,341.79 × 41,332.55
  4. Step 4: Simplify right side
    76,958.78x = 4,767,369,699.72
  5. Step 5: Solve for x
    x = 4,767,369,699.72/76,958.78
  6. Step 6: Final answer
    x = 61,947.06

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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.