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Finding the Fourth Proportional to 64,017.28, 88,343.84 and 35,336.93

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Solution

The fourth proportional to 64,017.28, 88,343.84 and 35,336.93 is: 48,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.28 : 88,343.84 = 35,336.93 : x
  2. Step 2: Convert to fraction form
    64,017.28/88,343.84 = 35,336.93/x
  3. Step 3: Cross multiply
    64,017.28x = 88,343.84 × 35,336.93
  4. Step 4: Simplify right side
    64,017.28x = 3,121,799,913.33
  5. Step 5: Solve for x
    x = 3,121,799,913.33/64,017.28
  6. Step 6: Final answer
    x = 48,764.96

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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.