Home / 75,212.82-112,790.07-40,133.34

Finding the Fourth Proportional to 75,212.82, 112,790.07 and 40,133.34

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Solution

The fourth proportional to 75,212.82, 112,790.07 and 40,133.34 is: 60,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.82 : 112,790.07 = 40,133.34 : x
  2. Step 2: Convert to fraction form
    75,212.82/112,790.07 = 40,133.34/x
  3. Step 3: Cross multiply
    75,212.82x = 112,790.07 × 40,133.34
  4. Step 4: Simplify right side
    75,212.82x = 4,526,642,227.93
  5. Step 5: Solve for x
    x = 4,526,642,227.93/75,212.82
  6. Step 6: Final answer
    x = 60,184.45

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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.