Home / 83,506.03-115,171.14-73,412.89

Finding the Fourth Proportional to 83,506.03, 115,171.14 and 73,412.89

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Solution

The fourth proportional to 83,506.03, 115,171.14 and 73,412.89 is: 101,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,506.03 : 115,171.14 = 73,412.89 : x
  2. Step 2: Convert to fraction form
    83,506.03/115,171.14 = 73,412.89/x
  3. Step 3: Cross multiply
    83,506.03x = 115,171.14 × 73,412.89
  4. Step 4: Simplify right side
    83,506.03x = 8,455,046,231.99
  5. Step 5: Solve for x
    x = 8,455,046,231.99/83,506.03
  6. Step 6: Final answer
    x = 101,250.73

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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.