Home / 105,956.71-158,934.66-27,070.81

Finding the Fourth Proportional to 105,956.71, 158,934.66 and 27,070.81

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Solution

The fourth proportional to 105,956.71, 158,934.66 and 27,070.81 is: 40,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.71 : 158,934.66 = 27,070.81 : x
  2. Step 2: Convert to fraction form
    105,956.71/158,934.66 = 27,070.81/x
  3. Step 3: Cross multiply
    105,956.71x = 158,934.66 × 27,070.81
  4. Step 4: Simplify right side
    105,956.71x = 4,302,489,983.27
  5. Step 5: Solve for x
    x = 4,302,489,983.27/105,956.71
  6. Step 6: Final answer
    x = 40,606.11

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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.