Home / 59,640.80-82,312.08-38,481.62

Finding the Fourth Proportional to 59,640.80, 82,312.08 and 38,481.62

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Solution

The fourth proportional to 59,640.80, 82,312.08 and 38,481.62 is: 53,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.80 : 82,312.08 = 38,481.62 : x
  2. Step 2: Convert to fraction form
    59,640.80/82,312.08 = 38,481.62/x
  3. Step 3: Cross multiply
    59,640.80x = 82,312.08 × 38,481.62
  4. Step 4: Simplify right side
    59,640.80x = 3,167,502,183.97
  5. Step 5: Solve for x
    x = 3,167,502,183.97/59,640.80
  6. Step 6: Final answer
    x = 53,109.65

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1.5x scale

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.