Home / 79,525.23-109,750-49,330.61

Finding the Fourth Proportional to 79,525.23, 109,750 and 49,330.61

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Solution

The fourth proportional to 79,525.23, 109,750 and 49,330.61 is: 68,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.23 : 109,750 = 49,330.61 : x
  2. Step 2: Convert to fraction form
    79,525.23/109,750 = 49,330.61/x
  3. Step 3: Cross multiply
    79,525.23x = 109,750 × 49,330.61
  4. Step 4: Simplify right side
    79,525.23x = 5,414,034,447.50
  5. Step 5: Solve for x
    x = 5,414,034,447.50/79,525.23
  6. Step 6: Final answer
    x = 68,079.46

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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.