Home / 115,373.61-173,137.64-40,494.11

Finding the Fourth Proportional to 115,373.61, 173,137.64 and 40,494.11

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Solution

The fourth proportional to 115,373.61, 173,137.64 and 40,494.11 is: 60,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,373.61 : 173,137.64 = 40,494.11 : x
  2. Step 2: Convert to fraction form
    115,373.61/173,137.64 = 40,494.11/x
  3. Step 3: Cross multiply
    115,373.61x = 173,137.64 × 40,494.11
  4. Step 4: Simplify right side
    115,373.61x = 7,011,053,571.14
  5. Step 5: Solve for x
    x = 7,011,053,571.14/115,373.61
  6. Step 6: Final answer
    x = 60,768.26

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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.