Home / 117,438.14-162,106.66-69,691.48

Finding the Fourth Proportional to 117,438.14, 162,106.66 and 69,691.48

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Solution

The fourth proportional to 117,438.14, 162,106.66 and 69,691.48 is: 96,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,438.14 : 162,106.66 = 69,691.48 : x
  2. Step 2: Convert to fraction form
    117,438.14/162,106.66 = 69,691.48/x
  3. Step 3: Cross multiply
    117,438.14x = 162,106.66 × 69,691.48
  4. Step 4: Simplify right side
    117,438.14x = 11,297,453,053.26
  5. Step 5: Solve for x
    x = 11,297,453,053.26/117,438.14
  6. Step 6: Final answer
    x = 96,199.18

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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.