Home / 82,908.18-124,380.04-26,751.50

Finding the Fourth Proportional to 82,908.18, 124,380.04 and 26,751.50

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Solution

The fourth proportional to 82,908.18, 124,380.04 and 26,751.50 is: 40,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,908.18 : 124,380.04 = 26,751.50 : x
  2. Step 2: Convert to fraction form
    82,908.18/124,380.04 = 26,751.50/x
  3. Step 3: Cross multiply
    82,908.18x = 124,380.04 × 26,751.50
  4. Step 4: Simplify right side
    82,908.18x = 3,327,352,640.06
  5. Step 5: Solve for x
    x = 3,327,352,640.06/82,908.18
  6. Step 6: Final answer
    x = 40,132.98

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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.