Home / 96,919.80-145,389.30-33,730.20

Finding the Fourth Proportional to 96,919.80, 145,389.30 and 33,730.20

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Solution

The fourth proportional to 96,919.80, 145,389.30 and 33,730.20 is: 50,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,919.80 : 145,389.30 = 33,730.20 : x
  2. Step 2: Convert to fraction form
    96,919.80/145,389.30 = 33,730.20/x
  3. Step 3: Cross multiply
    96,919.80x = 145,389.30 × 33,730.20
  4. Step 4: Simplify right side
    96,919.80x = 4,904,010,166.86
  5. Step 5: Solve for x
    x = 4,904,010,166.86/96,919.80
  6. Step 6: Final answer
    x = 50,598.64

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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.