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Finding the Fourth Proportional to 88,890.93, 122,671.80 and 48,606.39

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Solution

The fourth proportional to 88,890.93, 122,671.80 and 48,606.39 is: 67,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890.93 : 122,671.80 = 48,606.39 : x
  2. Step 2: Convert to fraction form
    88,890.93/122,671.80 = 48,606.39/x
  3. Step 3: Cross multiply
    88,890.93x = 122,671.80 × 48,606.39
  4. Step 4: Simplify right side
    88,890.93x = 5,962,633,352.80
  5. Step 5: Solve for x
    x = 5,962,633,352.80/88,890.93
  6. Step 6: Final answer
    x = 67,078.08

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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.