Home / 117,689.22-162,410.67-69,319.26

Finding the Fourth Proportional to 117,689.22, 162,410.67 and 69,319.26

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Solution

The fourth proportional to 117,689.22, 162,410.67 and 69,319.26 is: 95,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,689.22 : 162,410.67 = 69,319.26 : x
  2. Step 2: Convert to fraction form
    117,689.22/162,410.67 = 69,319.26/x
  3. Step 3: Cross multiply
    117,689.22x = 162,410.67 × 69,319.26
  4. Step 4: Simplify right side
    117,689.22x = 11,258,187,460.50
  5. Step 5: Solve for x
    x = 11,258,187,460.50/117,689.22
  6. Step 6: Final answer
    x = 95,660.31

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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.