Home / 57,648.65-79,532.18-34,979.32

Finding the Fourth Proportional to 57,648.65, 79,532.18 and 34,979.32

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Solution

The fourth proportional to 57,648.65, 79,532.18 and 34,979.32 is: 48,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.65 : 79,532.18 = 34,979.32 : x
  2. Step 2: Convert to fraction form
    57,648.65/79,532.18 = 34,979.32/x
  3. Step 3: Cross multiply
    57,648.65x = 79,532.18 × 34,979.32
  4. Step 4: Simplify right side
    57,648.65x = 2,781,981,574.52
  5. Step 5: Solve for x
    x = 2,781,981,574.52/57,648.65
  6. Step 6: Final answer
    x = 48,257.53

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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.