Home / 56,792.92-78,373.20-30,951.69

Finding the Fourth Proportional to 56,792.92, 78,373.20 and 30,951.69

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Solution

The fourth proportional to 56,792.92, 78,373.20 and 30,951.69 is: 42,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,792.92 : 78,373.20 = 30,951.69 : x
  2. Step 2: Convert to fraction form
    56,792.92/78,373.20 = 30,951.69/x
  3. Step 3: Cross multiply
    56,792.92x = 78,373.20 × 30,951.69
  4. Step 4: Simplify right side
    56,792.92x = 2,425,782,717.04
  5. Step 5: Solve for x
    x = 2,425,782,717.04/56,792.92
  6. Step 6: Final answer
    x = 42,712.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.