Home / 81,934.64-122,904.36-32,012.72

Finding the Fourth Proportional to 81,934.64, 122,904.36 and 32,012.72

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Solution

The fourth proportional to 81,934.64, 122,904.36 and 32,012.72 is: 48,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.64 : 122,904.36 = 32,012.72 : x
  2. Step 2: Convert to fraction form
    81,934.64/122,904.36 = 32,012.72/x
  3. Step 3: Cross multiply
    81,934.64x = 122,904.36 × 32,012.72
  4. Step 4: Simplify right side
    81,934.64x = 3,934,502,863.46
  5. Step 5: Solve for x
    x = 3,934,502,863.46/81,934.64
  6. Step 6: Final answer
    x = 48,020.02

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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.