Home / 117,635.85-162,319.19-69,887.97

Finding the Fourth Proportional to 117,635.85, 162,319.19 and 69,887.97

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Solution

The fourth proportional to 117,635.85, 162,319.19 and 69,887.97 is: 96,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.85 : 162,319.19 = 69,887.97 : x
  2. Step 2: Convert to fraction form
    117,635.85/162,319.19 = 69,887.97/x
  3. Step 3: Cross multiply
    117,635.85x = 162,319.19 × 69,887.97
  4. Step 4: Simplify right side
    117,635.85x = 11,344,158,681.14
  5. Step 5: Solve for x
    x = 11,344,158,681.14/117,635.85
  6. Step 6: Final answer
    x = 96,434.54

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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.