Home / 70,914.13-97,861.71-39,082.30

Finding the Fourth Proportional to 70,914.13, 97,861.71 and 39,082.30

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Solution

The fourth proportional to 70,914.13, 97,861.71 and 39,082.30 is: 53,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,914.13 : 97,861.71 = 39,082.30 : x
  2. Step 2: Convert to fraction form
    70,914.13/97,861.71 = 39,082.30/x
  3. Step 3: Cross multiply
    70,914.13x = 97,861.71 × 39,082.30
  4. Step 4: Simplify right side
    70,914.13x = 3,824,660,708.73
  5. Step 5: Solve for x
    x = 3,824,660,708.73/70,914.13
  6. Step 6: Final answer
    x = 53,933.69

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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.