Home / 71,563.14-98,758.26-39,732.12

Finding the Fourth Proportional to 71,563.14, 98,758.26 and 39,732.12

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Solution

The fourth proportional to 71,563.14, 98,758.26 and 39,732.12 is: 54,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,563.14 : 98,758.26 = 39,732.12 : x
  2. Step 2: Convert to fraction form
    71,563.14/98,758.26 = 39,732.12/x
  3. Step 3: Cross multiply
    71,563.14x = 98,758.26 × 39,732.12
  4. Step 4: Simplify right side
    71,563.14x = 3,923,875,037.31
  5. Step 5: Solve for x
    x = 3,923,875,037.31/71,563.14
  6. Step 6: Final answer
    x = 54,830.95

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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.