Home / 115,826.23-159,854.34-68,084.02

Finding the Fourth Proportional to 115,826.23, 159,854.34 and 68,084.02

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Solution

The fourth proportional to 115,826.23, 159,854.34 and 68,084.02 is: 93,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,826.23 : 159,854.34 = 68,084.02 : x
  2. Step 2: Convert to fraction form
    115,826.23/159,854.34 = 68,084.02/x
  3. Step 3: Cross multiply
    115,826.23x = 159,854.34 × 68,084.02
  4. Step 4: Simplify right side
    115,826.23x = 10,883,526,081.65
  5. Step 5: Solve for x
    x = 10,883,526,081.65/115,826.23
  6. Step 6: Final answer
    x = 93,964.26

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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.