Home / 78,582.20-108,479.98-46,306.66

Finding the Fourth Proportional to 78,582.20, 108,479.98 and 46,306.66

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Solution

The fourth proportional to 78,582.20, 108,479.98 and 46,306.66 is: 63,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,582.20 : 108,479.98 = 46,306.66 : x
  2. Step 2: Convert to fraction form
    78,582.20/108,479.98 = 46,306.66/x
  3. Step 3: Cross multiply
    78,582.20x = 108,479.98 × 46,306.66
  4. Step 4: Simplify right side
    78,582.20x = 5,023,345,550.67
  5. Step 5: Solve for x
    x = 5,023,345,550.67/78,582.20
  6. Step 6: Final answer
    x = 63,924.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.