Home / 64,811.18-89,436.31-36,133.99

Finding the Fourth Proportional to 64,811.18, 89,436.31 and 36,133.99

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Solution

The fourth proportional to 64,811.18, 89,436.31 and 36,133.99 is: 49,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.18 : 89,436.31 = 36,133.99 : x
  2. Step 2: Convert to fraction form
    64,811.18/89,436.31 = 36,133.99/x
  3. Step 3: Cross multiply
    64,811.18x = 89,436.31 × 36,133.99
  4. Step 4: Simplify right side
    64,811.18x = 3,231,690,731.18
  5. Step 5: Solve for x
    x = 3,231,690,731.18/64,811.18
  6. Step 6: Final answer
    x = 49,863.17

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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.