Home / 70,708.60-97,577.85-38,879.56

Finding the Fourth Proportional to 70,708.60, 97,577.85 and 38,879.56

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Solution

The fourth proportional to 70,708.60, 97,577.85 and 38,879.56 is: 53,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,708.60 : 97,577.85 = 38,879.56 : x
  2. Step 2: Convert to fraction form
    70,708.60/97,577.85 = 38,879.56/x
  3. Step 3: Cross multiply
    70,708.60x = 97,577.85 × 38,879.56
  4. Step 4: Simplify right side
    70,708.60x = 3,793,783,873.75
  5. Step 5: Solve for x
    x = 3,793,783,873.75/70,708.60
  6. Step 6: Final answer
    x = 53,653.78

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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.