Home / 98,752.92-148,151.62-31,289.02

Finding the Fourth Proportional to 98,752.92, 148,151.62 and 31,289.02

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Solution

The fourth proportional to 98,752.92, 148,151.62 and 31,289.02 is: 46,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,752.92 : 148,151.62 = 31,289.02 : x
  2. Step 2: Convert to fraction form
    98,752.92/148,151.62 = 31,289.02/x
  3. Step 3: Cross multiply
    98,752.92x = 148,151.62 × 31,289.02
  4. Step 4: Simplify right side
    98,752.92x = 4,635,519,001.21
  5. Step 5: Solve for x
    x = 4,635,519,001.21/98,752.92
  6. Step 6: Final answer
    x = 46,940.58

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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.