Home / 90,761.06-125,231.88-53,028.02

Finding the Fourth Proportional to 90,761.06, 125,231.88 and 53,028.02

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Solution

The fourth proportional to 90,761.06, 125,231.88 and 53,028.02 is: 73,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,761.06 : 125,231.88 = 53,028.02 : x
  2. Step 2: Convert to fraction form
    90,761.06/125,231.88 = 53,028.02/x
  3. Step 3: Cross multiply
    90,761.06x = 125,231.88 × 53,028.02
  4. Step 4: Simplify right side
    90,761.06x = 6,640,798,637.28
  5. Step 5: Solve for x
    x = 6,640,798,637.28/90,761.06
  6. Step 6: Final answer
    x = 73,167.93

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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.