Home / 80,218.34-110,666.56-48,369.55

Finding the Fourth Proportional to 80,218.34, 110,666.56 and 48,369.55

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Solution

The fourth proportional to 80,218.34, 110,666.56 and 48,369.55 is: 66,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,218.34 : 110,666.56 = 48,369.55 : x
  2. Step 2: Convert to fraction form
    80,218.34/110,666.56 = 48,369.55/x
  3. Step 3: Cross multiply
    80,218.34x = 110,666.56 × 48,369.55
  4. Step 4: Simplify right side
    80,218.34x = 5,352,891,153.92
  5. Step 5: Solve for x
    x = 5,352,891,153.92/80,218.34
  6. Step 6: Final answer
    x = 66,729.02

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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.