Home / 77,265.28-106,622.40-47,451.52

Finding the Fourth Proportional to 77,265.28, 106,622.40 and 47,451.52

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Solution

The fourth proportional to 77,265.28, 106,622.40 and 47,451.52 is: 65,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.28 : 106,622.40 = 47,451.52 : x
  2. Step 2: Convert to fraction form
    77,265.28/106,622.40 = 47,451.52/x
  3. Step 3: Cross multiply
    77,265.28x = 106,622.40 × 47,451.52
  4. Step 4: Simplify right side
    77,265.28x = 5,059,394,946.05
  5. Step 5: Solve for x
    x = 5,059,394,946.05/77,265.28
  6. Step 6: Final answer
    x = 65,480.83

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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.