Home / 70,601.86-97,431.25-38,771.45

Finding the Fourth Proportional to 70,601.86, 97,431.25 and 38,771.45

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Solution

The fourth proportional to 70,601.86, 97,431.25 and 38,771.45 is: 53,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.86 : 97,431.25 = 38,771.45 : x
  2. Step 2: Convert to fraction form
    70,601.86/97,431.25 = 38,771.45/x
  3. Step 3: Cross multiply
    70,601.86x = 97,431.25 × 38,771.45
  4. Step 4: Simplify right side
    70,601.86x = 3,777,550,253.73
  5. Step 5: Solve for x
    x = 3,777,550,253.73/70,601.86
  6. Step 6: Final answer
    x = 53,504.97

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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.