Home / 105,806.12-158,631.66-39,246.57

Finding the Fourth Proportional to 105,806.12, 158,631.66 and 39,246.57

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Solution

The fourth proportional to 105,806.12, 158,631.66 and 39,246.57 is: 58,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,806.12 : 158,631.66 = 39,246.57 : x
  2. Step 2: Convert to fraction form
    105,806.12/158,631.66 = 39,246.57/x
  3. Step 3: Cross multiply
    105,806.12x = 158,631.66 × 39,246.57
  4. Step 4: Simplify right side
    105,806.12x = 6,225,748,548.41
  5. Step 5: Solve for x
    x = 6,225,748,548.41/105,806.12
  6. Step 6: Final answer
    x = 58,841.10

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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.