Home / 91,290.24-125,997.12-53,055

Finding the Fourth Proportional to 91,290.24, 125,997.12 and 53,055

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Solution

The fourth proportional to 91,290.24, 125,997.12 and 53,055 is: 73,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290.24 : 125,997.12 = 53,055 : x
  2. Step 2: Convert to fraction form
    91,290.24/125,997.12 = 53,055/x
  3. Step 3: Cross multiply
    91,290.24x = 125,997.12 × 53,055
  4. Step 4: Simplify right side
    91,290.24x = 6,684,777,201.60
  5. Step 5: Solve for x
    x = 6,684,777,201.60/91,290.24
  6. Step 6: Final answer
    x = 73,225.54

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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.