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Finding the Fourth Proportional to 88,902.81, 122,684.01 and 48,616.11

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Solution

The fourth proportional to 88,902.81, 122,684.01 and 48,616.11 is: 67,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.81 : 122,684.01 = 48,616.11 : x
  2. Step 2: Convert to fraction form
    88,902.81/122,684.01 = 48,616.11/x
  3. Step 3: Cross multiply
    88,902.81x = 122,684.01 × 48,616.11
  4. Step 4: Simplify right side
    88,902.81x = 5,964,419,325.40
  5. Step 5: Solve for x
    x = 5,964,419,325.40/88,902.81
  6. Step 6: Final answer
    x = 67,089.21

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1.5x scale

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.