Home / 96,931.76-145,418.16-30,367.04

Finding the Fourth Proportional to 96,931.76, 145,418.16 and 30,367.04

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Solution

The fourth proportional to 96,931.76, 145,418.16 and 30,367.04 is: 45,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,931.76 : 145,418.16 = 30,367.04 : x
  2. Step 2: Convert to fraction form
    96,931.76/145,418.16 = 30,367.04/x
  3. Step 3: Cross multiply
    96,931.76x = 145,418.16 × 30,367.04
  4. Step 4: Simplify right side
    96,931.76x = 4,415,919,081.45
  5. Step 5: Solve for x
    x = 4,415,919,081.45/96,931.76
  6. Step 6: Final answer
    x = 45,556.99

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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.