Home / 70,708.80-97,573.44-38,879.04

Finding the Fourth Proportional to 70,708.80, 97,573.44 and 38,879.04

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Solution

The fourth proportional to 70,708.80, 97,573.44 and 38,879.04 is: 53,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,708.80 : 97,573.44 = 38,879.04 : x
  2. Step 2: Convert to fraction form
    70,708.80/97,573.44 = 38,879.04/x
  3. Step 3: Cross multiply
    70,708.80x = 97,573.44 × 38,879.04
  4. Step 4: Simplify right side
    70,708.80x = 3,793,561,676.70
  5. Step 5: Solve for x
    x = 3,793,561,676.70/70,708.80
  6. Step 6: Final answer
    x = 53,650.49

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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.