Home / 89,643.94-134,403.66-39,696.82

Finding the Fourth Proportional to 89,643.94, 134,403.66 and 39,696.82

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Solution

The fourth proportional to 89,643.94, 134,403.66 and 39,696.82 is: 59,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.94 : 134,403.66 = 39,696.82 : x
  2. Step 2: Convert to fraction form
    89,643.94/134,403.66 = 39,696.82/x
  3. Step 3: Cross multiply
    89,643.94x = 134,403.66 × 39,696.82
  4. Step 4: Simplify right side
    89,643.94x = 5,335,397,898.36
  5. Step 5: Solve for x
    x = 5,335,397,898.36/89,643.94
  6. Step 6: Final answer
    x = 59,517.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.