Home / 73,439.82-101,344.62-43,218.18

Finding the Fourth Proportional to 73,439.82, 101,344.62 and 43,218.18

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Solution

The fourth proportional to 73,439.82, 101,344.62 and 43,218.18 is: 59,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,439.82 : 101,344.62 = 43,218.18 : x
  2. Step 2: Convert to fraction form
    73,439.82/101,344.62 = 43,218.18/x
  3. Step 3: Cross multiply
    73,439.82x = 101,344.62 × 43,218.18
  4. Step 4: Simplify right side
    73,439.82x = 4,379,930,029.19
  5. Step 5: Solve for x
    x = 4,379,930,029.19/73,439.82
  6. Step 6: Final answer
    x = 59,639.72

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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.