Home / 88,212.30-121,733.58-47,926.44

Finding the Fourth Proportional to 88,212.30, 121,733.58 and 47,926.44

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Solution

The fourth proportional to 88,212.30, 121,733.58 and 47,926.44 is: 66,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212.30 : 121,733.58 = 47,926.44 : x
  2. Step 2: Convert to fraction form
    88,212.30/121,733.58 = 47,926.44/x
  3. Step 3: Cross multiply
    88,212.30x = 121,733.58 × 47,926.44
  4. Step 4: Simplify right side
    88,212.30x = 5,834,257,117.86
  5. Step 5: Solve for x
    x = 5,834,257,117.86/88,212.30
  6. Step 6: Final answer
    x = 66,138.82

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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.