Home / 83,429.67-115,131.99-45,188.49

Finding the Fourth Proportional to 83,429.67, 115,131.99 and 45,188.49

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Solution

The fourth proportional to 83,429.67, 115,131.99 and 45,188.49 is: 62,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,429.67 : 115,131.99 = 45,188.49 : x
  2. Step 2: Convert to fraction form
    83,429.67/115,131.99 = 45,188.49/x
  3. Step 3: Cross multiply
    83,429.67x = 115,131.99 × 45,188.49
  4. Step 4: Simplify right side
    83,429.67x = 5,202,640,778.80
  5. Step 5: Solve for x
    x = 5,202,640,778.80/83,429.67
  6. Step 6: Final answer
    x = 62,359.60

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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.