Home / 98,865.68-148,305.43-39,701.34

Finding the Fourth Proportional to 98,865.68, 148,305.43 and 39,701.34

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Solution

The fourth proportional to 98,865.68, 148,305.43 and 39,701.34 is: 59,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.68 : 148,305.43 = 39,701.34 : x
  2. Step 2: Convert to fraction form
    98,865.68/148,305.43 = 39,701.34/x
  3. Step 3: Cross multiply
    98,865.68x = 148,305.43 × 39,701.34
  4. Step 4: Simplify right side
    98,865.68x = 5,887,924,906.05
  5. Step 5: Solve for x
    x = 5,887,924,906.05/98,865.68
  6. Step 6: Final answer
    x = 59,554.79

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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.