Home / 71,383.47-98,508.69-39,552.27

Finding the Fourth Proportional to 71,383.47, 98,508.69 and 39,552.27

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Solution

The fourth proportional to 71,383.47, 98,508.69 and 39,552.27 is: 54,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383.47 : 98,508.69 = 39,552.27 : x
  2. Step 2: Convert to fraction form
    71,383.47/98,508.69 = 39,552.27/x
  3. Step 3: Cross multiply
    71,383.47x = 98,508.69 × 39,552.27
  4. Step 4: Simplify right side
    71,383.47x = 3,896,242,304.23
  5. Step 5: Solve for x
    x = 3,896,242,304.23/71,383.47
  6. Step 6: Final answer
    x = 54,581.86

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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.