Home / 72,184.24-99,614.96-40,354.88

Finding the Fourth Proportional to 72,184.24, 99,614.96 and 40,354.88

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Solution

The fourth proportional to 72,184.24, 99,614.96 and 40,354.88 is: 55,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184.24 : 99,614.96 = 40,354.88 : x
  2. Step 2: Convert to fraction form
    72,184.24/99,614.96 = 40,354.88/x
  3. Step 3: Cross multiply
    72,184.24x = 99,614.96 × 40,354.88
  4. Step 4: Simplify right side
    72,184.24x = 4,019,949,757.00
  5. Step 5: Solve for x
    x = 4,019,949,757.00/72,184.24
  6. Step 6: Final answer
    x = 55,690.13

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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.