Home / 92,932.78-139,320.79-40,302.62

Finding the Fourth Proportional to 92,932.78, 139,320.79 and 40,302.62

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Solution

The fourth proportional to 92,932.78, 139,320.79 and 40,302.62 is: 60,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,932.78 : 139,320.79 = 40,302.62 : x
  2. Step 2: Convert to fraction form
    92,932.78/139,320.79 = 40,302.62/x
  3. Step 3: Cross multiply
    92,932.78x = 139,320.79 × 40,302.62
  4. Step 4: Simplify right side
    92,932.78x = 5,614,992,857.47
  5. Step 5: Solve for x
    x = 5,614,992,857.47/92,932.78
  6. Step 6: Final answer
    x = 60,419.94

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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.