Home / 82,854.72-114,319.62-48,860.55

Finding the Fourth Proportional to 82,854.72, 114,319.62 and 48,860.55

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Solution

The fourth proportional to 82,854.72, 114,319.62 and 48,860.55 is: 67,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.72 : 114,319.62 = 48,860.55 : x
  2. Step 2: Convert to fraction form
    82,854.72/114,319.62 = 48,860.55/x
  3. Step 3: Cross multiply
    82,854.72x = 114,319.62 × 48,860.55
  4. Step 4: Simplify right side
    82,854.72x = 5,585,719,508.99
  5. Step 5: Solve for x
    x = 5,585,719,508.99/82,854.72
  6. Step 6: Final answer
    x = 67,415.83

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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.