Home / 70,913.30-97,855.70-39,082.18

Finding the Fourth Proportional to 70,913.30, 97,855.70 and 39,082.18

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Solution

The fourth proportional to 70,913.30, 97,855.70 and 39,082.18 is: 53,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.30 : 97,855.70 = 39,082.18 : x
  2. Step 2: Convert to fraction form
    70,913.30/97,855.70 = 39,082.18/x
  3. Step 3: Cross multiply
    70,913.30x = 97,855.70 × 39,082.18
  4. Step 4: Simplify right side
    70,913.30x = 3,824,414,081.43
  5. Step 5: Solve for x
    x = 3,824,414,081.43/70,913.30
  6. Step 6: Final answer
    x = 53,930.84

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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.