Home / 105,934.14-158,947.38-39,359.43

Finding the Fourth Proportional to 105,934.14, 158,947.38 and 39,359.43

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Solution

The fourth proportional to 105,934.14, 158,947.38 and 39,359.43 is: 59,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.14 : 158,947.38 = 39,359.43 : x
  2. Step 2: Convert to fraction form
    105,934.14/158,947.38 = 39,359.43/x
  3. Step 3: Cross multiply
    105,934.14x = 158,947.38 × 39,359.43
  4. Step 4: Simplify right side
    105,934.14x = 6,256,078,276.79
  5. Step 5: Solve for x
    x = 6,256,078,276.79/105,934.14
  6. Step 6: Final answer
    x = 59,056.30

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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.