Home / 125,102.11-187,730.22-49,187.28

Finding the Fourth Proportional to 125,102.11, 187,730.22 and 49,187.28

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Solution

The fourth proportional to 125,102.11, 187,730.22 and 49,187.28 is: 73,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,102.11 : 187,730.22 = 49,187.28 : x
  2. Step 2: Convert to fraction form
    125,102.11/187,730.22 = 49,187.28/x
  3. Step 3: Cross multiply
    125,102.11x = 187,730.22 × 49,187.28
  4. Step 4: Simplify right side
    125,102.11x = 9,233,937,992.56
  5. Step 5: Solve for x
    x = 9,233,937,992.56/125,102.11
  6. Step 6: Final answer
    x = 73,811.21

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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.