Home / 73,743.32-101,765.88-40,209.32

Finding the Fourth Proportional to 73,743.32, 101,765.88 and 40,209.32

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Solution

The fourth proportional to 73,743.32, 101,765.88 and 40,209.32 is: 55,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,743.32 : 101,765.88 = 40,209.32 : x
  2. Step 2: Convert to fraction form
    73,743.32/101,765.88 = 40,209.32/x
  3. Step 3: Cross multiply
    73,743.32x = 101,765.88 × 40,209.32
  4. Step 4: Simplify right side
    73,743.32x = 4,091,936,834.00
  5. Step 5: Solve for x
    x = 4,091,936,834.00/73,743.32
  6. Step 6: Final answer
    x = 55,488.92

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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.