Home / 113,449.68-170,174.56-51,047.28

Finding the Fourth Proportional to 113,449.68, 170,174.56 and 51,047.28

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Solution

The fourth proportional to 113,449.68, 170,174.56 and 51,047.28 is: 76,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,449.68 : 170,174.56 = 51,047.28 : x
  2. Step 2: Convert to fraction form
    113,449.68/170,174.56 = 51,047.28/x
  3. Step 3: Cross multiply
    113,449.68x = 170,174.56 × 51,047.28
  4. Step 4: Simplify right side
    113,449.68x = 8,686,948,413.20
  5. Step 5: Solve for x
    x = 8,686,948,413.20/113,449.68
  6. Step 6: Final answer
    x = 76,570.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.