Home / 84,097.32-126,143.24-34,162.64

Finding the Fourth Proportional to 84,097.32, 126,143.24 and 34,162.64

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Solution

The fourth proportional to 84,097.32, 126,143.24 and 34,162.64 is: 51,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,097.32 : 126,143.24 = 34,162.64 : x
  2. Step 2: Convert to fraction form
    84,097.32/126,143.24 = 34,162.64/x
  3. Step 3: Cross multiply
    84,097.32x = 126,143.24 × 34,162.64
  4. Step 4: Simplify right side
    84,097.32x = 4,309,386,096.55
  5. Step 5: Solve for x
    x = 4,309,386,096.55/84,097.32
  6. Step 6: Final answer
    x = 51,242.85

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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.