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Finding the Fourth Proportional to 88,592.40, 122,268.42 and 50,865.84

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Solution

The fourth proportional to 88,592.40, 122,268.42 and 50,865.84 is: 70,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,592.40 : 122,268.42 = 50,865.84 : x
  2. Step 2: Convert to fraction form
    88,592.40/122,268.42 = 50,865.84/x
  3. Step 3: Cross multiply
    88,592.40x = 122,268.42 × 50,865.84
  4. Step 4: Simplify right side
    88,592.40x = 6,219,285,888.77
  5. Step 5: Solve for x
    x = 6,219,285,888.77/88,592.40
  6. Step 6: Final answer
    x = 70,201.12

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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.