Home / 80,964.30-121,446.45-58,673.10

Finding the Fourth Proportional to 80,964.30, 121,446.45 and 58,673.10

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Solution

The fourth proportional to 80,964.30, 121,446.45 and 58,673.10 is: 88,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,964.30 : 121,446.45 = 58,673.10 : x
  2. Step 2: Convert to fraction form
    80,964.30/121,446.45 = 58,673.10/x
  3. Step 3: Cross multiply
    80,964.30x = 121,446.45 × 58,673.10
  4. Step 4: Simplify right side
    80,964.30x = 7,125,639,705.50
  5. Step 5: Solve for x
    x = 7,125,639,705.50/80,964.30
  6. Step 6: Final answer
    x = 88,009.65

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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.