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Finding the Fourth Proportional to 88,468.88, 122,082.12 and 50,218.28

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Solution

The fourth proportional to 88,468.88, 122,082.12 and 50,218.28 is: 69,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,468.88 : 122,082.12 = 50,218.28 : x
  2. Step 2: Convert to fraction form
    88,468.88/122,082.12 = 50,218.28/x
  3. Step 3: Cross multiply
    88,468.88x = 122,082.12 × 50,218.28
  4. Step 4: Simplify right side
    88,468.88x = 6,130,754,085.15
  5. Step 5: Solve for x
    x = 6,130,754,085.15/88,468.88
  6. Step 6: Final answer
    x = 69,298.43

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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.