Home / 98,746.12-148,042.68-48,791.80

Finding the Fourth Proportional to 98,746.12, 148,042.68 and 48,791.80

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Solution

The fourth proportional to 98,746.12, 148,042.68 and 48,791.80 is: 73,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.12 : 148,042.68 = 48,791.80 : x
  2. Step 2: Convert to fraction form
    98,746.12/148,042.68 = 48,791.80/x
  3. Step 3: Cross multiply
    98,746.12x = 148,042.68 × 48,791.80
  4. Step 4: Simplify right side
    98,746.12x = 7,223,268,834.02
  5. Step 5: Solve for x
    x = 7,223,268,834.02/98,746.12
  6. Step 6: Final answer
    x = 73,149.90

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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.