Home / 82,640.46-123,976.65-35,254.74

Finding the Fourth Proportional to 82,640.46, 123,976.65 and 35,254.74

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Solution

The fourth proportional to 82,640.46, 123,976.65 and 35,254.74 is: 52,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.46 : 123,976.65 = 35,254.74 : x
  2. Step 2: Convert to fraction form
    82,640.46/123,976.65 = 35,254.74/x
  3. Step 3: Cross multiply
    82,640.46x = 123,976.65 × 35,254.74
  4. Step 4: Simplify right side
    82,640.46x = 4,370,764,561.82
  5. Step 5: Solve for x
    x = 4,370,764,561.82/82,640.46
  6. Step 6: Final answer
    x = 52,888.92

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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.