Home / 117,543.24-162,206.76-67,239

Finding the Fourth Proportional to 117,543.24, 162,206.76 and 67,239

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Solution

The fourth proportional to 117,543.24, 162,206.76 and 67,239 is: 92,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,543.24 : 162,206.76 = 67,239 : x
  2. Step 2: Convert to fraction form
    117,543.24/162,206.76 = 67,239/x
  3. Step 3: Cross multiply
    117,543.24x = 162,206.76 × 67,239
  4. Step 4: Simplify right side
    117,543.24x = 10,906,620,335.64
  5. Step 5: Solve for x
    x = 10,906,620,335.64/117,543.24
  6. Step 6: Final answer
    x = 92,788.15

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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.