Home / 71,798.22-99,082.83-39,532.68

Finding the Fourth Proportional to 71,798.22, 99,082.83 and 39,532.68

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Solution

The fourth proportional to 71,798.22, 99,082.83 and 39,532.68 is: 54,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,798.22 : 99,082.83 = 39,532.68 : x
  2. Step 2: Convert to fraction form
    71,798.22/99,082.83 = 39,532.68/x
  3. Step 3: Cross multiply
    71,798.22x = 99,082.83 × 39,532.68
  4. Step 4: Simplify right side
    71,798.22x = 3,917,009,811.88
  5. Step 5: Solve for x
    x = 3,917,009,811.88/71,798.22
  6. Step 6: Final answer
    x = 54,555.81

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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.