Home / 66,039.60-98,884.44-39,708.12

Finding the Fourth Proportional to 66,039.60, 98,884.44 and 39,708.12

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Solution

The fourth proportional to 66,039.60, 98,884.44 and 39,708.12 is: 59,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039.60 : 98,884.44 = 39,708.12 : x
  2. Step 2: Convert to fraction form
    66,039.60/98,884.44 = 39,708.12/x
  3. Step 3: Cross multiply
    66,039.60x = 98,884.44 × 39,708.12
  4. Step 4: Simplify right side
    66,039.60x = 3,926,515,209.65
  5. Step 5: Solve for x
    x = 3,926,515,209.65/66,039.60
  6. Step 6: Final answer
    x = 59,456.98

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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.