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Finding the Fourth Proportional to 64,258.77, 88,617.84 and 44,080.05

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Solution

The fourth proportional to 64,258.77, 88,617.84 and 44,080.05 is: 60,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.77 : 88,617.84 = 44,080.05 : x
  2. Step 2: Convert to fraction form
    64,258.77/88,617.84 = 44,080.05/x
  3. Step 3: Cross multiply
    64,258.77x = 88,617.84 × 44,080.05
  4. Step 4: Simplify right side
    64,258.77x = 3,906,278,818.09
  5. Step 5: Solve for x
    x = 3,906,278,818.09/64,258.77
  6. Step 6: Final answer
    x = 60,789.82

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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.