Home / 117,862.08-162,651-64,147.44

Finding the Fourth Proportional to 117,862.08, 162,651 and 64,147.44

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Solution

The fourth proportional to 117,862.08, 162,651 and 64,147.44 is: 88,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,862.08 : 162,651 = 64,147.44 : x
  2. Step 2: Convert to fraction form
    117,862.08/162,651 = 64,147.44/x
  3. Step 3: Cross multiply
    117,862.08x = 162,651 × 64,147.44
  4. Step 4: Simplify right side
    117,862.08x = 10,433,645,263.44
  5. Step 5: Solve for x
    x = 10,433,645,263.44/117,862.08
  6. Step 6: Final answer
    x = 88,524.19

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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.