Home / 115,538.24-173,235-45,336.08

Finding the Fourth Proportional to 115,538.24, 173,235 and 45,336.08

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Solution

The fourth proportional to 115,538.24, 173,235 and 45,336.08 is: 67,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538.24 : 173,235 = 45,336.08 : x
  2. Step 2: Convert to fraction form
    115,538.24/173,235 = 45,336.08/x
  3. Step 3: Cross multiply
    115,538.24x = 173,235 × 45,336.08
  4. Step 4: Simplify right side
    115,538.24x = 7,853,795,818.80
  5. Step 5: Solve for x
    x = 7,853,795,818.80/115,538.24
  6. Step 6: Final answer
    x = 67,975.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.