Home / 96,630.64-144,968.30-30,067.18

Finding the Fourth Proportional to 96,630.64, 144,968.30 and 30,067.18

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Solution

The fourth proportional to 96,630.64, 144,968.30 and 30,067.18 is: 45,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,630.64 : 144,968.30 = 30,067.18 : x
  2. Step 2: Convert to fraction form
    96,630.64/144,968.30 = 30,067.18/x
  3. Step 3: Cross multiply
    96,630.64x = 144,968.30 × 30,067.18
  4. Step 4: Simplify right side
    96,630.64x = 4,358,787,970.39
  5. Step 5: Solve for x
    x = 4,358,787,970.39/96,630.64
  6. Step 6: Final answer
    x = 45,107.72

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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.