Home / 71,944.14-99,282.97-40,112.40

Finding the Fourth Proportional to 71,944.14, 99,282.97 and 40,112.40

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Solution

The fourth proportional to 71,944.14, 99,282.97 and 40,112.40 is: 55,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.14 : 99,282.97 = 40,112.40 : x
  2. Step 2: Convert to fraction form
    71,944.14/99,282.97 = 40,112.40/x
  3. Step 3: Cross multiply
    71,944.14x = 99,282.97 × 40,112.40
  4. Step 4: Simplify right side
    71,944.14x = 3,982,478,205.83
  5. Step 5: Solve for x
    x = 3,982,478,205.83/71,944.14
  6. Step 6: Final answer
    x = 55,355.14

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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.