Home / 117,475.74-162,042.77-69,695.25

Finding the Fourth Proportional to 117,475.74, 162,042.77 and 69,695.25

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Solution

The fourth proportional to 117,475.74, 162,042.77 and 69,695.25 is: 96,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,475.74 : 162,042.77 = 69,695.25 : x
  2. Step 2: Convert to fraction form
    117,475.74/162,042.77 = 69,695.25/x
  3. Step 3: Cross multiply
    117,475.74x = 162,042.77 × 69,695.25
  4. Step 4: Simplify right side
    117,475.74x = 11,293,611,017.37
  5. Step 5: Solve for x
    x = 11,293,611,017.37/117,475.74
  6. Step 6: Final answer
    x = 96,135.69

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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.