Home / 96,691.46-145,036.75-30,131.64

Finding the Fourth Proportional to 96,691.46, 145,036.75 and 30,131.64

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Solution

The fourth proportional to 96,691.46, 145,036.75 and 30,131.64 is: 45,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,691.46 : 145,036.75 = 30,131.64 : x
  2. Step 2: Convert to fraction form
    96,691.46/145,036.75 = 30,131.64/x
  3. Step 3: Cross multiply
    96,691.46x = 145,036.75 × 30,131.64
  4. Step 4: Simplify right side
    96,691.46x = 4,370,195,137.77
  5. Step 5: Solve for x
    x = 4,370,195,137.77/96,691.46
  6. Step 6: Final answer
    x = 45,197.32

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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.