Home / 79,092.04-109,143.72-47,278.48

Finding the Fourth Proportional to 79,092.04, 109,143.72 and 47,278.48

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Solution

The fourth proportional to 79,092.04, 109,143.72 and 47,278.48 is: 65,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092.04 : 109,143.72 = 47,278.48 : x
  2. Step 2: Convert to fraction form
    79,092.04/109,143.72 = 47,278.48/x
  3. Step 3: Cross multiply
    79,092.04x = 109,143.72 × 47,278.48
  4. Step 4: Simplify right side
    79,092.04x = 5,160,149,183.15
  5. Step 5: Solve for x
    x = 5,160,149,183.15/79,092.04
  6. Step 6: Final answer
    x = 65,242.33

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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.