Home / 69,091.13-95,345.68-40,430.49

Finding the Fourth Proportional to 69,091.13, 95,345.68 and 40,430.49

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Solution

The fourth proportional to 69,091.13, 95,345.68 and 40,430.49 is: 55,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.13 : 95,345.68 = 40,430.49 : x
  2. Step 2: Convert to fraction form
    69,091.13/95,345.68 = 40,430.49/x
  3. Step 3: Cross multiply
    69,091.13x = 95,345.68 × 40,430.49
  4. Step 4: Simplify right side
    69,091.13x = 3,854,872,829.00
  5. Step 5: Solve for x
    x = 3,854,872,829.00/69,091.13
  6. Step 6: Final answer
    x = 55,794.04

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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.