Home / 83,923.19-115,816.42-45,685.22

Finding the Fourth Proportional to 83,923.19, 115,816.42 and 45,685.22

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Solution

The fourth proportional to 83,923.19, 115,816.42 and 45,685.22 is: 63,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.19 : 115,816.42 = 45,685.22 : x
  2. Step 2: Convert to fraction form
    83,923.19/115,816.42 = 45,685.22/x
  3. Step 3: Cross multiply
    83,923.19x = 115,816.42 × 45,685.22
  4. Step 4: Simplify right side
    83,923.19x = 5,291,098,105.34
  5. Step 5: Solve for x
    x = 5,291,098,105.34/83,923.19
  6. Step 6: Final answer
    x = 63,046.91

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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.