Home / 113,853.40-157,105.58-66,097.82

Finding the Fourth Proportional to 113,853.40, 157,105.58 and 66,097.82

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Solution

The fourth proportional to 113,853.40, 157,105.58 and 66,097.82 is: 91,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,853.40 : 157,105.58 = 66,097.82 : x
  2. Step 2: Convert to fraction form
    113,853.40/157,105.58 = 66,097.82/x
  3. Step 3: Cross multiply
    113,853.40x = 157,105.58 × 66,097.82
  4. Step 4: Simplify right side
    113,853.40x = 10,384,336,410.11
  5. Step 5: Solve for x
    x = 10,384,336,410.11/113,853.40
  6. Step 6: Final answer
    x = 91,207.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.