Home / 70,910.89-97,861.54-39,082.75

Finding the Fourth Proportional to 70,910.89, 97,861.54 and 39,082.75

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Solution

The fourth proportional to 70,910.89, 97,861.54 and 39,082.75 is: 53,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.89 : 97,861.54 = 39,082.75 : x
  2. Step 2: Convert to fraction form
    70,910.89/97,861.54 = 39,082.75/x
  3. Step 3: Cross multiply
    70,910.89x = 97,861.54 × 39,082.75
  4. Step 4: Simplify right side
    70,910.89x = 3,824,697,760.07
  5. Step 5: Solve for x
    x = 3,824,697,760.07/70,910.89
  6. Step 6: Final answer
    x = 53,936.68

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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.