Home / 91,203.06-136,825.66-28,873.56

Finding the Fourth Proportional to 91,203.06, 136,825.66 and 28,873.56

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Solution

The fourth proportional to 91,203.06, 136,825.66 and 28,873.56 is: 43,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,203.06 : 136,825.66 = 28,873.56 : x
  2. Step 2: Convert to fraction form
    91,203.06/136,825.66 = 28,873.56/x
  3. Step 3: Cross multiply
    91,203.06x = 136,825.66 × 28,873.56
  4. Step 4: Simplify right side
    91,203.06x = 3,950,643,903.55
  5. Step 5: Solve for x
    x = 3,950,643,903.55/91,203.06
  6. Step 6: Final answer
    x = 43,317.01

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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.