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Finding the Fourth Proportional to 80,345.97, 110,881.08 and 45,893.73

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Solution

The fourth proportional to 80,345.97, 110,881.08 and 45,893.73 is: 63,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,345.97 : 110,881.08 = 45,893.73 : x
  2. Step 2: Convert to fraction form
    80,345.97/110,881.08 = 45,893.73/x
  3. Step 3: Cross multiply
    80,345.97x = 110,881.08 × 45,893.73
  4. Step 4: Simplify right side
    80,345.97x = 5,088,746,347.63
  5. Step 5: Solve for x
    x = 5,088,746,347.63/80,345.97
  6. Step 6: Final answer
    x = 63,335.43

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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.