Home / 80,329.08-110,777.76-53,424.88

Finding the Fourth Proportional to 80,329.08, 110,777.76 and 53,424.88

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Solution

The fourth proportional to 80,329.08, 110,777.76 and 53,424.88 is: 73,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.08 : 110,777.76 = 53,424.88 : x
  2. Step 2: Convert to fraction form
    80,329.08/110,777.76 = 53,424.88/x
  3. Step 3: Cross multiply
    80,329.08x = 110,777.76 × 53,424.88
  4. Step 4: Simplify right side
    80,329.08x = 5,918,288,534.67
  5. Step 5: Solve for x
    x = 5,918,288,534.67/80,329.08
  6. Step 6: Final answer
    x = 73,675.54

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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.