Home / 105,427.14-158,117.88-33,385.74

Finding the Fourth Proportional to 105,427.14, 158,117.88 and 33,385.74

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Solution

The fourth proportional to 105,427.14, 158,117.88 and 33,385.74 is: 50,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,427.14 : 158,117.88 = 33,385.74 : x
  2. Step 2: Convert to fraction form
    105,427.14/158,117.88 = 33,385.74/x
  3. Step 3: Cross multiply
    105,427.14x = 158,117.88 × 33,385.74
  4. Step 4: Simplify right side
    105,427.14x = 5,278,882,431.03
  5. Step 5: Solve for x
    x = 5,278,882,431.03/105,427.14
  6. Step 6: Final answer
    x = 50,071.38

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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.