Home / 105,943.20-158,914.32-35,870.88

Finding the Fourth Proportional to 105,943.20, 158,914.32 and 35,870.88

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Solution

The fourth proportional to 105,943.20, 158,914.32 and 35,870.88 is: 53,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,943.20 : 158,914.32 = 35,870.88 : x
  2. Step 2: Convert to fraction form
    105,943.20/158,914.32 = 35,870.88/x
  3. Step 3: Cross multiply
    105,943.20x = 158,914.32 × 35,870.88
  4. Step 4: Simplify right side
    105,943.20x = 5,700,396,503.00
  5. Step 5: Solve for x
    x = 5,700,396,503.00/105,943.20
  6. Step 6: Final answer
    x = 53,806.16

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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.