Home / 84,454.23-126,718.11-52,936.50

Finding the Fourth Proportional to 84,454.23, 126,718.11 and 52,936.50

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Solution

The fourth proportional to 84,454.23, 126,718.11 and 52,936.50 is: 79,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,454.23 : 126,718.11 = 52,936.50 : x
  2. Step 2: Convert to fraction form
    84,454.23/126,718.11 = 52,936.50/x
  3. Step 3: Cross multiply
    84,454.23x = 126,718.11 × 52,936.50
  4. Step 4: Simplify right side
    84,454.23x = 6,708,013,230.02
  5. Step 5: Solve for x
    x = 6,708,013,230.02/84,454.23
  6. Step 6: Final answer
    x = 79,427.79

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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.