Home / 105,687.42-158,530.92-26,802.06

Finding the Fourth Proportional to 105,687.42, 158,530.92 and 26,802.06

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Solution

The fourth proportional to 105,687.42, 158,530.92 and 26,802.06 is: 40,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,687.42 : 158,530.92 = 26,802.06 : x
  2. Step 2: Convert to fraction form
    105,687.42/158,530.92 = 26,802.06/x
  3. Step 3: Cross multiply
    105,687.42x = 158,530.92 × 26,802.06
  4. Step 4: Simplify right side
    105,687.42x = 4,248,955,229.70
  5. Step 5: Solve for x
    x = 4,248,955,229.70/105,687.42
  6. Step 6: Final answer
    x = 40,203.04

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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.