Home / 113,415.82-156,514.39-62,433.65

Finding the Fourth Proportional to 113,415.82, 156,514.39 and 62,433.65

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Solution

The fourth proportional to 113,415.82, 156,514.39 and 62,433.65 is: 86,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.82 : 156,514.39 = 62,433.65 : x
  2. Step 2: Convert to fraction form
    113,415.82/156,514.39 = 62,433.65/x
  3. Step 3: Cross multiply
    113,415.82x = 156,514.39 × 62,433.65
  4. Step 4: Simplify right side
    113,415.82x = 9,771,764,880.43
  5. Step 5: Solve for x
    x = 9,771,764,880.43/113,415.82
  6. Step 6: Final answer
    x = 86,158.75

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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.