Home / 105,965.35-158,948.10-27,079.65

Finding the Fourth Proportional to 105,965.35, 158,948.10 and 27,079.65

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Solution

The fourth proportional to 105,965.35, 158,948.10 and 27,079.65 is: 40,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,965.35 : 158,948.10 = 27,079.65 : x
  2. Step 2: Convert to fraction form
    105,965.35/158,948.10 = 27,079.65/x
  3. Step 3: Cross multiply
    105,965.35x = 158,948.10 × 27,079.65
  4. Step 4: Simplify right side
    105,965.35x = 4,304,258,916.17
  5. Step 5: Solve for x
    x = 4,304,258,916.17/105,965.35
  6. Step 6: Final answer
    x = 40,619.49

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1.5x scale

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.