Home / 72,066.20-108,099.66-32,577.08

Finding the Fourth Proportional to 72,066.20, 108,099.66 and 32,577.08

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Solution

The fourth proportional to 72,066.20, 108,099.66 and 32,577.08 is: 48,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,066.20 : 108,099.66 = 32,577.08 : x
  2. Step 2: Convert to fraction form
    72,066.20/108,099.66 = 32,577.08/x
  3. Step 3: Cross multiply
    72,066.20x = 108,099.66 × 32,577.08
  4. Step 4: Simplify right side
    72,066.20x = 3,521,571,271.79
  5. Step 5: Solve for x
    x = 3,521,571,271.79/72,066.20
  6. Step 6: Final answer
    x = 48,865.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.