Home / 76,979.16-106,227.18-43,443

Finding the Fourth Proportional to 76,979.16, 106,227.18 and 43,443

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Solution

The fourth proportional to 76,979.16, 106,227.18 and 43,443 is: 59,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.16 : 106,227.18 = 43,443 : x
  2. Step 2: Convert to fraction form
    76,979.16/106,227.18 = 43,443/x
  3. Step 3: Cross multiply
    76,979.16x = 106,227.18 × 43,443
  4. Step 4: Simplify right side
    76,979.16x = 4,614,827,380.74
  5. Step 5: Solve for x
    x = 4,614,827,380.74/76,979.16
  6. Step 6: Final answer
    x = 59,949.05

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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.