Home / 115,582.12-173,423.27-40,755.72

Finding the Fourth Proportional to 115,582.12, 173,423.27 and 40,755.72

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Solution

The fourth proportional to 115,582.12, 173,423.27 and 40,755.72 is: 61,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,582.12 : 173,423.27 = 40,755.72 : x
  2. Step 2: Convert to fraction form
    115,582.12/173,423.27 = 40,755.72/x
  3. Step 3: Cross multiply
    115,582.12x = 173,423.27 × 40,755.72
  4. Step 4: Simplify right side
    115,582.12x = 7,067,990,233.60
  5. Step 5: Solve for x
    x = 7,067,990,233.60/115,582.12
  6. Step 6: Final answer
    x = 61,151.24

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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.