Home / 98,668.62-148,027.22-28,555.02

Finding the Fourth Proportional to 98,668.62, 148,027.22 and 28,555.02

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Solution

The fourth proportional to 98,668.62, 148,027.22 and 28,555.02 is: 42,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668.62 : 148,027.22 = 28,555.02 : x
  2. Step 2: Convert to fraction form
    98,668.62/148,027.22 = 28,555.02/x
  3. Step 3: Cross multiply
    98,668.62x = 148,027.22 × 28,555.02
  4. Step 4: Simplify right side
    98,668.62x = 4,226,920,084.87
  5. Step 5: Solve for x
    x = 4,226,920,084.87/98,668.62
  6. Step 6: Final answer
    x = 42,839.56

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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.