Home / 105,382.68-158,074.02-43,053.18

Finding the Fourth Proportional to 105,382.68, 158,074.02 and 43,053.18

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Solution

The fourth proportional to 105,382.68, 158,074.02 and 43,053.18 is: 64,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,382.68 : 158,074.02 = 43,053.18 : x
  2. Step 2: Convert to fraction form
    105,382.68/158,074.02 = 43,053.18/x
  3. Step 3: Cross multiply
    105,382.68x = 158,074.02 × 43,053.18
  4. Step 4: Simplify right side
    105,382.68x = 6,805,589,236.38
  5. Step 5: Solve for x
    x = 6,805,589,236.38/105,382.68
  6. Step 6: Final answer
    x = 64,579.77

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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.