Home / 98,743.88-148,134.30-39,584.22

Finding the Fourth Proportional to 98,743.88, 148,134.30 and 39,584.22

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Solution

The fourth proportional to 98,743.88, 148,134.30 and 39,584.22 is: 59,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.88 : 148,134.30 = 39,584.22 : x
  2. Step 2: Convert to fraction form
    98,743.88/148,134.30 = 39,584.22/x
  3. Step 3: Cross multiply
    98,743.88x = 148,134.30 × 39,584.22
  4. Step 4: Simplify right side
    98,743.88x = 5,863,780,720.75
  5. Step 5: Solve for x
    x = 5,863,780,720.75/98,743.88
  6. Step 6: Final answer
    x = 59,383.74

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1.5x scale

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.