Home / 70,082.24-96,712.70-39,866.85

Finding the Fourth Proportional to 70,082.24, 96,712.70 and 39,866.85

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Solution

The fourth proportional to 70,082.24, 96,712.70 and 39,866.85 is: 55,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,082.24 : 96,712.70 = 39,866.85 : x
  2. Step 2: Convert to fraction form
    70,082.24/96,712.70 = 39,866.85/x
  3. Step 3: Cross multiply
    70,082.24x = 96,712.70 × 39,866.85
  4. Step 4: Simplify right side
    70,082.24x = 3,855,630,504.66
  5. Step 5: Solve for x
    x = 3,855,630,504.66/70,082.24
  6. Step 6: Final answer
    x = 55,015.80

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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.