Home / 98,991.24-148,449.68-42,827.04

Finding the Fourth Proportional to 98,991.24, 148,449.68 and 42,827.04

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Solution

The fourth proportional to 98,991.24, 148,449.68 and 42,827.04 is: 64,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,991.24 : 148,449.68 = 42,827.04 : x
  2. Step 2: Convert to fraction form
    98,991.24/148,449.68 = 42,827.04/x
  3. Step 3: Cross multiply
    98,991.24x = 148,449.68 × 42,827.04
  4. Step 4: Simplify right side
    98,991.24x = 6,357,660,383.35
  5. Step 5: Solve for x
    x = 6,357,660,383.35/98,991.24
  6. Step 6: Final answer
    x = 64,224.47

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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.