Home / 52,451.12-78,676.07-31,397.04

Finding the Fourth Proportional to 52,451.12, 78,676.07 and 31,397.04

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Solution

The fourth proportional to 52,451.12, 78,676.07 and 31,397.04 is: 47,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.12 : 78,676.07 = 31,397.04 : x
  2. Step 2: Convert to fraction form
    52,451.12/78,676.07 = 31,397.04/x
  3. Step 3: Cross multiply
    52,451.12x = 78,676.07 × 31,397.04
  4. Step 4: Simplify right side
    52,451.12x = 2,470,195,559.85
  5. Step 5: Solve for x
    x = 2,470,195,559.85/52,451.12
  6. Step 6: Final answer
    x = 47,095.20

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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.