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Finding the Fourth Proportional to 64,286.03, 88,712.76 and 35,604.56

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Solution

The fourth proportional to 64,286.03, 88,712.76 and 35,604.56 is: 49,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.03 : 88,712.76 = 35,604.56 : x
  2. Step 2: Convert to fraction form
    64,286.03/88,712.76 = 35,604.56/x
  3. Step 3: Cross multiply
    64,286.03x = 88,712.76 × 35,604.56
  4. Step 4: Simplify right side
    64,286.03x = 3,158,578,342.62
  5. Step 5: Solve for x
    x = 3,158,578,342.62/64,286.03
  6. Step 6: Final answer
    x = 49,133.20

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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.