Home / 113,759.10-156,987.37-62,771.79

Finding the Fourth Proportional to 113,759.10, 156,987.37 and 62,771.79

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Solution

The fourth proportional to 113,759.10, 156,987.37 and 62,771.79 is: 86,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,759.10 : 156,987.37 = 62,771.79 : x
  2. Step 2: Convert to fraction form
    113,759.10/156,987.37 = 62,771.79/x
  3. Step 3: Cross multiply
    113,759.10x = 156,987.37 × 62,771.79
  4. Step 4: Simplify right side
    113,759.10x = 9,854,378,222.29
  5. Step 5: Solve for x
    x = 9,854,378,222.29/113,759.10
  6. Step 6: Final answer
    x = 86,624.97

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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.