Home / 86,142.52-118,886.03-50,344.57

Finding the Fourth Proportional to 86,142.52, 118,886.03 and 50,344.57

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Solution

The fourth proportional to 86,142.52, 118,886.03 and 50,344.57 is: 69,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,142.52 : 118,886.03 = 50,344.57 : x
  2. Step 2: Convert to fraction form
    86,142.52/118,886.03 = 50,344.57/x
  3. Step 3: Cross multiply
    86,142.52x = 118,886.03 × 50,344.57
  4. Step 4: Simplify right side
    86,142.52x = 5,985,266,059.36
  5. Step 5: Solve for x
    x = 5,985,266,059.36/86,142.52
  6. Step 6: Final answer
    x = 69,480.97

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1.5x scale

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.