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Finding the Fourth Proportional to 80,417.93, 110,930.31 and 50,150.70

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Solution

The fourth proportional to 80,417.93, 110,930.31 and 50,150.70 is: 69,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,417.93 : 110,930.31 = 50,150.70 : x
  2. Step 2: Convert to fraction form
    80,417.93/110,930.31 = 50,150.70/x
  3. Step 3: Cross multiply
    80,417.93x = 110,930.31 × 50,150.70
  4. Step 4: Simplify right side
    80,417.93x = 5,563,232,697.72
  5. Step 5: Solve for x
    x = 5,563,232,697.72/80,417.93
  6. Step 6: Final answer
    x = 69,179.01

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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.