Home / 64,428.60-88,910.38-36,133.68

Finding the Fourth Proportional to 64,428.60, 88,910.38 and 36,133.68

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Solution

The fourth proportional to 64,428.60, 88,910.38 and 36,133.68 is: 49,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.60 : 88,910.38 = 36,133.68 : x
  2. Step 2: Convert to fraction form
    64,428.60/88,910.38 = 36,133.68/x
  3. Step 3: Cross multiply
    64,428.60x = 88,910.38 × 36,133.68
  4. Step 4: Simplify right side
    64,428.60x = 3,212,659,219.60
  5. Step 5: Solve for x
    x = 3,212,659,219.60/64,428.60
  6. Step 6: Final answer
    x = 49,863.87

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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.