Home / 55,339.12-83,065.18-40,503.97

Finding the Fourth Proportional to 55,339.12, 83,065.18 and 40,503.97

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Solution

The fourth proportional to 55,339.12, 83,065.18 and 40,503.97 is: 60,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.12 : 83,065.18 = 40,503.97 : x
  2. Step 2: Convert to fraction form
    55,339.12/83,065.18 = 40,503.97/x
  3. Step 3: Cross multiply
    55,339.12x = 83,065.18 × 40,503.97
  4. Step 4: Simplify right side
    55,339.12x = 3,364,469,558.76
  5. Step 5: Solve for x
    x = 3,364,469,558.76/55,339.12
  6. Step 6: Final answer
    x = 60,797.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.