Home / 77,743.50-107,285.07-43,752.06

Finding the Fourth Proportional to 77,743.50, 107,285.07 and 43,752.06

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Solution

The fourth proportional to 77,743.50, 107,285.07 and 43,752.06 is: 60,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.50 : 107,285.07 = 43,752.06 : x
  2. Step 2: Convert to fraction form
    77,743.50/107,285.07 = 43,752.06/x
  3. Step 3: Cross multiply
    77,743.50x = 107,285.07 × 43,752.06
  4. Step 4: Simplify right side
    77,743.50x = 4,693,942,819.74
  5. Step 5: Solve for x
    x = 4,693,942,819.74/77,743.50
  6. Step 6: Final answer
    x = 60,377.30

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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.