Home / 89,860.26-134,790.93-39,928.62

Finding the Fourth Proportional to 89,860.26, 134,790.93 and 39,928.62

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Solution

The fourth proportional to 89,860.26, 134,790.93 and 39,928.62 is: 59,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860.26 : 134,790.93 = 39,928.62 : x
  2. Step 2: Convert to fraction form
    89,860.26/134,790.93 = 39,928.62/x
  3. Step 3: Cross multiply
    89,860.26x = 134,790.93 × 39,928.62
  4. Step 4: Simplify right side
    89,860.26x = 5,382,015,823.42
  5. Step 5: Solve for x
    x = 5,382,015,823.42/89,860.26
  6. Step 6: Final answer
    x = 59,893.17

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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.