Home / 90,619.02-125,052.66-50,331.24

Finding the Fourth Proportional to 90,619.02, 125,052.66 and 50,331.24

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Solution

The fourth proportional to 90,619.02, 125,052.66 and 50,331.24 is: 69,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,619.02 : 125,052.66 = 50,331.24 : x
  2. Step 2: Convert to fraction form
    90,619.02/125,052.66 = 50,331.24/x
  3. Step 3: Cross multiply
    90,619.02x = 125,052.66 × 50,331.24
  4. Step 4: Simplify right side
    90,619.02x = 6,294,055,443.10
  5. Step 5: Solve for x
    x = 6,294,055,443.10/90,619.02
  6. Step 6: Final answer
    x = 69,456.23

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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.