Home / 69,652.45-96,115.75-38,605.68

Finding the Fourth Proportional to 69,652.45, 96,115.75 and 38,605.68

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Solution

The fourth proportional to 69,652.45, 96,115.75 and 38,605.68 is: 53,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,652.45 : 96,115.75 = 38,605.68 : x
  2. Step 2: Convert to fraction form
    69,652.45/96,115.75 = 38,605.68/x
  3. Step 3: Cross multiply
    69,652.45x = 96,115.75 × 38,605.68
  4. Step 4: Simplify right side
    69,652.45x = 3,710,613,304.02
  5. Step 5: Solve for x
    x = 3,710,613,304.02/69,652.45
  6. Step 6: Final answer
    x = 53,273.27

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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.