Home / 73,109.10-109,663.65-26,366.70

Finding the Fourth Proportional to 73,109.10, 109,663.65 and 26,366.70

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Solution

The fourth proportional to 73,109.10, 109,663.65 and 26,366.70 is: 39,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.10 : 109,663.65 = 26,366.70 : x
  2. Step 2: Convert to fraction form
    73,109.10/109,663.65 = 26,366.70/x
  3. Step 3: Cross multiply
    73,109.10x = 109,663.65 × 26,366.70
  4. Step 4: Simplify right side
    73,109.10x = 2,891,468,560.46
  5. Step 5: Solve for x
    x = 2,891,468,560.46/73,109.10
  6. Step 6: Final answer
    x = 39,550.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.