Home / 88,105.82-121,592.02-49,865.39

Finding the Fourth Proportional to 88,105.82, 121,592.02 and 49,865.39

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Solution

The fourth proportional to 88,105.82, 121,592.02 and 49,865.39 is: 68,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.82 : 121,592.02 = 49,865.39 : x
  2. Step 2: Convert to fraction form
    88,105.82/121,592.02 = 49,865.39/x
  3. Step 3: Cross multiply
    88,105.82x = 121,592.02 × 49,865.39
  4. Step 4: Simplify right side
    88,105.82x = 6,063,232,890.23
  5. Step 5: Solve for x
    x = 6,063,232,890.23/88,105.82
  6. Step 6: Final answer
    x = 68,817.62

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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.