Home / 105,708.10-158,585.48-30,834.11

Finding the Fourth Proportional to 105,708.10, 158,585.48 and 30,834.11

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Solution

The fourth proportional to 105,708.10, 158,585.48 and 30,834.11 is: 46,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708.10 : 158,585.48 = 30,834.11 : x
  2. Step 2: Convert to fraction form
    105,708.10/158,585.48 = 30,834.11/x
  3. Step 3: Cross multiply
    105,708.10x = 158,585.48 × 30,834.11
  4. Step 4: Simplify right side
    105,708.10x = 4,889,841,187.62
  5. Step 5: Solve for x
    x = 4,889,841,187.62/105,708.10
  6. Step 6: Final answer
    x = 46,257.96

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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.