Home / 96,406.20-144,664.63-75,286.95

Finding the Fourth Proportional to 96,406.20, 144,664.63 and 75,286.95

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Solution

The fourth proportional to 96,406.20, 144,664.63 and 75,286.95 is: 112,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,406.20 : 144,664.63 = 75,286.95 : x
  2. Step 2: Convert to fraction form
    96,406.20/144,664.63 = 75,286.95/x
  3. Step 3: Cross multiply
    96,406.20x = 144,664.63 × 75,286.95
  4. Step 4: Simplify right side
    96,406.20x = 10,891,358,577.36
  5. Step 5: Solve for x
    x = 10,891,358,577.36/96,406.20
  6. Step 6: Final answer
    x = 112,973.63

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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.