Home / 71,794.04-99,078.14-39,531.09

Finding the Fourth Proportional to 71,794.04, 99,078.14 and 39,531.09

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Solution

The fourth proportional to 71,794.04, 99,078.14 and 39,531.09 is: 54,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,794.04 : 99,078.14 = 39,531.09 : x
  2. Step 2: Convert to fraction form
    71,794.04/99,078.14 = 39,531.09/x
  3. Step 3: Cross multiply
    71,794.04x = 99,078.14 × 39,531.09
  4. Step 4: Simplify right side
    71,794.04x = 3,916,666,869.37
  5. Step 5: Solve for x
    x = 3,916,666,869.37/71,794.04
  6. Step 6: Final answer
    x = 54,554.21

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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.