Home / 80,976.79-111,748.05-46,992.18

Finding the Fourth Proportional to 80,976.79, 111,748.05 and 46,992.18

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Solution

The fourth proportional to 80,976.79, 111,748.05 and 46,992.18 is: 64,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.79 : 111,748.05 = 46,992.18 : x
  2. Step 2: Convert to fraction form
    80,976.79/111,748.05 = 46,992.18/x
  3. Step 3: Cross multiply
    80,976.79x = 111,748.05 × 46,992.18
  4. Step 4: Simplify right side
    80,976.79x = 5,251,284,480.25
  5. Step 5: Solve for x
    x = 5,251,284,480.25/80,976.79
  6. Step 6: Final answer
    x = 64,849.25

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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.