Home / 92,929.28-139,315.55-40,299.12

Finding the Fourth Proportional to 92,929.28, 139,315.55 and 40,299.12

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Solution

The fourth proportional to 92,929.28, 139,315.55 and 40,299.12 is: 60,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.28 : 139,315.55 = 40,299.12 : x
  2. Step 2: Convert to fraction form
    92,929.28/139,315.55 = 40,299.12/x
  3. Step 3: Cross multiply
    92,929.28x = 139,315.55 × 40,299.12
  4. Step 4: Simplify right side
    92,929.28x = 5,614,293,865.82
  5. Step 5: Solve for x
    x = 5,614,293,865.82/92,929.28
  6. Step 6: Final answer
    x = 60,414.70

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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.