Home / 71,037.97-98,032.20-39,206.65

Finding the Fourth Proportional to 71,037.97, 98,032.20 and 39,206.65

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Solution

The fourth proportional to 71,037.97, 98,032.20 and 39,206.65 is: 54,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.97 : 98,032.20 = 39,206.65 : x
  2. Step 2: Convert to fraction form
    71,037.97/98,032.20 = 39,206.65/x
  3. Step 3: Cross multiply
    71,037.97x = 98,032.20 × 39,206.65
  4. Step 4: Simplify right side
    71,037.97x = 3,843,513,467.94
  5. Step 5: Solve for x
    x = 3,843,513,467.94/71,037.97
  6. Step 6: Final answer
    x = 54,105.06

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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.