Home / 77,326.20-106,719.04-43,343.88

Finding the Fourth Proportional to 77,326.20, 106,719.04 and 43,343.88

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Solution

The fourth proportional to 77,326.20, 106,719.04 and 43,343.88 is: 59,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.20 : 106,719.04 = 43,343.88 : x
  2. Step 2: Convert to fraction form
    77,326.20/106,719.04 = 43,343.88/x
  3. Step 3: Cross multiply
    77,326.20x = 106,719.04 × 43,343.88
  4. Step 4: Simplify right side
    77,326.20x = 4,625,617,263.48
  5. Step 5: Solve for x
    x = 4,625,617,263.48/77,326.20
  6. Step 6: Final answer
    x = 59,819.53

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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.