Home / 80,788.11-111,470.67-46,794.57

Finding the Fourth Proportional to 80,788.11, 111,470.67 and 46,794.57

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Solution

The fourth proportional to 80,788.11, 111,470.67 and 46,794.57 is: 64,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.11 : 111,470.67 = 46,794.57 : x
  2. Step 2: Convert to fraction form
    80,788.11/111,470.67 = 46,794.57/x
  3. Step 3: Cross multiply
    80,788.11x = 111,470.67 × 46,794.57
  4. Step 4: Simplify right side
    80,788.11x = 5,216,222,070.26
  5. Step 5: Solve for x
    x = 5,216,222,070.26/80,788.11
  6. Step 6: Final answer
    x = 64,566.71

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1.5x scale

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.