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Finding the Fourth Proportional to 88,880.97, 122,663.30 and 50,652.21

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Solution

The fourth proportional to 88,880.97, 122,663.30 and 50,652.21 is: 69,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,880.97 : 122,663.30 = 50,652.21 : x
  2. Step 2: Convert to fraction form
    88,880.97/122,663.30 = 50,652.21/x
  3. Step 3: Cross multiply
    88,880.97x = 122,663.30 × 50,652.21
  4. Step 4: Simplify right side
    88,880.97x = 6,213,166,977.63
  5. Step 5: Solve for x
    x = 6,213,166,977.63/88,880.97
  6. Step 6: Final answer
    x = 69,904.36

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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.