Home / 70,212.97-96,895.44-38,381.86

Finding the Fourth Proportional to 70,212.97, 96,895.44 and 38,381.86

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Solution

The fourth proportional to 70,212.97, 96,895.44 and 38,381.86 is: 52,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.97 : 96,895.44 = 38,381.86 : x
  2. Step 2: Convert to fraction form
    70,212.97/96,895.44 = 38,381.86/x
  3. Step 3: Cross multiply
    70,212.97x = 96,895.44 × 38,381.86
  4. Step 4: Simplify right side
    70,212.97x = 3,719,027,212.72
  5. Step 5: Solve for x
    x = 3,719,027,212.72/70,212.97
  6. Step 6: Final answer
    x = 52,967.81

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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.