Home / 75,047.13-103,565.25-41,513.13

Finding the Fourth Proportional to 75,047.13, 103,565.25 and 41,513.13

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Solution

The fourth proportional to 75,047.13, 103,565.25 and 41,513.13 is: 57,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,047.13 : 103,565.25 = 41,513.13 : x
  2. Step 2: Convert to fraction form
    75,047.13/103,565.25 = 41,513.13/x
  3. Step 3: Cross multiply
    75,047.13x = 103,565.25 × 41,513.13
  4. Step 4: Simplify right side
    75,047.13x = 4,299,317,686.73
  5. Step 5: Solve for x
    x = 4,299,317,686.73/75,047.13
  6. Step 6: Final answer
    x = 57,288.24

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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.