Home / 71,415.24-98,556.12-39,584.16

Finding the Fourth Proportional to 71,415.24, 98,556.12 and 39,584.16

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Solution

The fourth proportional to 71,415.24, 98,556.12 and 39,584.16 is: 54,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.24 : 98,556.12 = 39,584.16 : x
  2. Step 2: Convert to fraction form
    71,415.24/98,556.12 = 39,584.16/x
  3. Step 3: Cross multiply
    71,415.24x = 98,556.12 × 39,584.16
  4. Step 4: Simplify right side
    71,415.24x = 3,901,261,223.06
  5. Step 5: Solve for x
    x = 3,901,261,223.06/71,415.24
  6. Step 6: Final answer
    x = 54,627.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.