Home / 98,563.15-147,828.55-27,490.62

Finding the Fourth Proportional to 98,563.15, 147,828.55 and 27,490.62

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Solution

The fourth proportional to 98,563.15, 147,828.55 and 27,490.62 is: 41,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,563.15 : 147,828.55 = 27,490.62 : x
  2. Step 2: Convert to fraction form
    98,563.15/147,828.55 = 27,490.62/x
  3. Step 3: Cross multiply
    98,563.15x = 147,828.55 × 27,490.62
  4. Step 4: Simplify right side
    98,563.15x = 4,063,898,493.20
  5. Step 5: Solve for x
    x = 4,063,898,493.20/98,563.15
  6. Step 6: Final answer
    x = 41,231.42

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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.