Home / 124,025.28-185,977.73-72,747.95

Finding the Fourth Proportional to 124,025.28, 185,977.73 and 72,747.95

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Solution

The fourth proportional to 124,025.28, 185,977.73 and 72,747.95 is: 109,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,025.28 : 185,977.73 = 72,747.95 : x
  2. Step 2: Convert to fraction form
    124,025.28/185,977.73 = 72,747.95/x
  3. Step 3: Cross multiply
    124,025.28x = 185,977.73 × 72,747.95
  4. Step 4: Simplify right side
    124,025.28x = 13,529,499,249.97
  5. Step 5: Solve for x
    x = 13,529,499,249.97/124,025.28
  6. Step 6: Final answer
    x = 109,086.63

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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.