Home / 85,975.26-129,033.96-43,886.44

Finding the Fourth Proportional to 85,975.26, 129,033.96 and 43,886.44

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Solution

The fourth proportional to 85,975.26, 129,033.96 and 43,886.44 is: 65,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,975.26 : 129,033.96 = 43,886.44 : x
  2. Step 2: Convert to fraction form
    85,975.26/129,033.96 = 43,886.44/x
  3. Step 3: Cross multiply
    85,975.26x = 129,033.96 × 43,886.44
  4. Step 4: Simplify right side
    85,975.26x = 5,662,841,143.50
  5. Step 5: Solve for x
    x = 5,662,841,143.50/85,975.26
  6. Step 6: Final answer
    x = 65,865.94

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1.5x scale

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.