Home / 83,469.03-115,187.09-45,229.65

Finding the Fourth Proportional to 83,469.03, 115,187.09 and 45,229.65

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Solution

The fourth proportional to 83,469.03, 115,187.09 and 45,229.65 is: 62,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,469.03 : 115,187.09 = 45,229.65 : x
  2. Step 2: Convert to fraction form
    83,469.03/115,187.09 = 45,229.65/x
  3. Step 3: Cross multiply
    83,469.03x = 115,187.09 × 45,229.65
  4. Step 4: Simplify right side
    83,469.03x = 5,209,871,539.07
  5. Step 5: Solve for x
    x = 5,209,871,539.07/83,469.03
  6. Step 6: Final answer
    x = 62,416.82

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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.