Home / 83,340.45-115,009.92-45,614.70

Finding the Fourth Proportional to 83,340.45, 115,009.92 and 45,614.70

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Solution

The fourth proportional to 83,340.45, 115,009.92 and 45,614.70 is: 62,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,340.45 : 115,009.92 = 45,614.70 : x
  2. Step 2: Convert to fraction form
    83,340.45/115,009.92 = 45,614.70/x
  3. Step 3: Cross multiply
    83,340.45x = 115,009.92 × 45,614.70
  4. Step 4: Simplify right side
    83,340.45x = 5,246,142,997.82
  5. Step 5: Solve for x
    x = 5,246,142,997.82/83,340.45
  6. Step 6: Final answer
    x = 62,948.34

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1.5x scale

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.