Home / 73,635.20-101,617.92-40,101.76

Finding the Fourth Proportional to 73,635.20, 101,617.92 and 40,101.76

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Solution

The fourth proportional to 73,635.20, 101,617.92 and 40,101.76 is: 55,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635.20 : 101,617.92 = 40,101.76 : x
  2. Step 2: Convert to fraction form
    73,635.20/101,617.92 = 40,101.76/x
  3. Step 3: Cross multiply
    73,635.20x = 101,617.92 × 40,101.76
  4. Step 4: Simplify right side
    73,635.20x = 4,075,057,439.54
  5. Step 5: Solve for x
    x = 4,075,057,439.54/73,635.20
  6. Step 6: Final answer
    x = 55,341.16

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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.