Home / 83,611.18-115,379.67-45,884.62

Finding the Fourth Proportional to 83,611.18, 115,379.67 and 45,884.62

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Solution

The fourth proportional to 83,611.18, 115,379.67 and 45,884.62 is: 63,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.18 : 115,379.67 = 45,884.62 : x
  2. Step 2: Convert to fraction form
    83,611.18/115,379.67 = 45,884.62/x
  3. Step 3: Cross multiply
    83,611.18x = 115,379.67 × 45,884.62
  4. Step 4: Simplify right side
    83,611.18x = 5,294,152,313.68
  5. Step 5: Solve for x
    x = 5,294,152,313.68/83,611.18
  6. Step 6: Final answer
    x = 63,318.71

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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.