Home / 115,449.80-159,276.85-70,110.65

Finding the Fourth Proportional to 115,449.80, 159,276.85 and 70,110.65

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Solution

The fourth proportional to 115,449.80, 159,276.85 and 70,110.65 is: 96,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,449.80 : 159,276.85 = 70,110.65 : x
  2. Step 2: Convert to fraction form
    115,449.80/159,276.85 = 70,110.65/x
  3. Step 3: Cross multiply
    115,449.80x = 159,276.85 × 70,110.65
  4. Step 4: Simplify right side
    115,449.80x = 11,167,003,706.37
  5. Step 5: Solve for x
    x = 11,167,003,706.37/115,449.80
  6. Step 6: Final answer
    x = 96,726.06

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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.