Home / 80,650.53-120,886.16-60,864.93

Finding the Fourth Proportional to 80,650.53, 120,886.16 and 60,864.93

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Solution

The fourth proportional to 80,650.53, 120,886.16 and 60,864.93 is: 91,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.53 : 120,886.16 = 60,864.93 : x
  2. Step 2: Convert to fraction form
    80,650.53/120,886.16 = 60,864.93/x
  3. Step 3: Cross multiply
    80,650.53x = 120,886.16 × 60,864.93
  4. Step 4: Simplify right side
    80,650.53x = 7,357,727,362.04
  5. Step 5: Solve for x
    x = 7,357,727,362.04/80,650.53
  6. Step 6: Final answer
    x = 91,229.75

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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.