Home / 73,667.20-101,662.08-40,133.76

Finding the Fourth Proportional to 73,667.20, 101,662.08 and 40,133.76

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Solution

The fourth proportional to 73,667.20, 101,662.08 and 40,133.76 is: 55,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,667.20 : 101,662.08 = 40,133.76 : x
  2. Step 2: Convert to fraction form
    73,667.20/101,662.08 = 40,133.76/x
  3. Step 3: Cross multiply
    73,667.20x = 101,662.08 × 40,133.76
  4. Step 4: Simplify right side
    73,667.20x = 4,080,081,519.82
  5. Step 5: Solve for x
    x = 4,080,081,519.82/73,667.20
  6. Step 6: Final answer
    x = 55,385.32

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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.