Home / 65,789.24-98,708.64-39,512.30

Finding the Fourth Proportional to 65,789.24, 98,708.64 and 39,512.30

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Solution

The fourth proportional to 65,789.24, 98,708.64 and 39,512.30 is: 59,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,789.24 : 98,708.64 = 39,512.30 : x
  2. Step 2: Convert to fraction form
    65,789.24/98,708.64 = 39,512.30/x
  3. Step 3: Cross multiply
    65,789.24x = 98,708.64 × 39,512.30
  4. Step 4: Simplify right side
    65,789.24x = 3,900,205,396.27
  5. Step 5: Solve for x
    x = 3,900,205,396.27/65,789.24
  6. Step 6: Final answer
    x = 59,283.33

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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.