Home / 113,849.11-157,103.67-62,853.61

Finding the Fourth Proportional to 113,849.11, 157,103.67 and 62,853.61

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Solution

The fourth proportional to 113,849.11, 157,103.67 and 62,853.61 is: 86,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.11 : 157,103.67 = 62,853.61 : x
  2. Step 2: Convert to fraction form
    113,849.11/157,103.67 = 62,853.61/x
  3. Step 3: Cross multiply
    113,849.11x = 157,103.67 × 62,853.61
  4. Step 4: Simplify right side
    113,849.11x = 9,874,532,803.75
  5. Step 5: Solve for x
    x = 9,874,532,803.75/113,849.11
  6. Step 6: Final answer
    x = 86,733.51

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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.