Home / 82,829.62-124,147.32-35,430.94

Finding the Fourth Proportional to 82,829.62, 124,147.32 and 35,430.94

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Solution

The fourth proportional to 82,829.62, 124,147.32 and 35,430.94 is: 53,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.62 : 124,147.32 = 35,430.94 : x
  2. Step 2: Convert to fraction form
    82,829.62/124,147.32 = 35,430.94/x
  3. Step 3: Cross multiply
    82,829.62x = 124,147.32 × 35,430.94
  4. Step 4: Simplify right side
    82,829.62x = 4,398,656,246.08
  5. Step 5: Solve for x
    x = 4,398,656,246.08/82,829.62
  6. Step 6: Final answer
    x = 53,104.87

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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.