Home / 72,785.01-109,176.30-32,781.74

Finding the Fourth Proportional to 72,785.01, 109,176.30 and 32,781.74

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Solution

The fourth proportional to 72,785.01, 109,176.30 and 32,781.74 is: 49,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,785.01 : 109,176.30 = 32,781.74 : x
  2. Step 2: Convert to fraction form
    72,785.01/109,176.30 = 32,781.74/x
  3. Step 3: Cross multiply
    72,785.01x = 109,176.30 × 32,781.74
  4. Step 4: Simplify right side
    72,785.01x = 3,578,989,527.68
  5. Step 5: Solve for x
    x = 3,578,989,527.68/72,785.01
  6. Step 6: Final answer
    x = 49,172.07

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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.