Home / 71,487.09-107,160.91-34,037.10

Finding the Fourth Proportional to 71,487.09, 107,160.91 and 34,037.10

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Solution

The fourth proportional to 71,487.09, 107,160.91 and 34,037.10 is: 51,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,487.09 : 107,160.91 = 34,037.10 : x
  2. Step 2: Convert to fraction form
    71,487.09/107,160.91 = 34,037.10/x
  3. Step 3: Cross multiply
    71,487.09x = 107,160.91 × 34,037.10
  4. Step 4: Simplify right side
    71,487.09x = 3,647,446,725.59
  5. Step 5: Solve for x
    x = 3,647,446,725.59/71,487.09
  6. Step 6: Final answer
    x = 51,022.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.