Home / 116,565.06-160,860.03-68,821.48

Finding the Fourth Proportional to 116,565.06, 160,860.03 and 68,821.48

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Solution

The fourth proportional to 116,565.06, 160,860.03 and 68,821.48 is: 94,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,565.06 : 160,860.03 = 68,821.48 : x
  2. Step 2: Convert to fraction form
    116,565.06/160,860.03 = 68,821.48/x
  3. Step 3: Cross multiply
    116,565.06x = 160,860.03 × 68,821.48
  4. Step 4: Simplify right side
    116,565.06x = 11,070,625,280.44
  5. Step 5: Solve for x
    x = 11,070,625,280.44/116,565.06
  6. Step 6: Final answer
    x = 94,973.78

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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.