Home / 75,227.82-112,812.57-40,148.34

Finding the Fourth Proportional to 75,227.82, 112,812.57 and 40,148.34

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Solution

The fourth proportional to 75,227.82, 112,812.57 and 40,148.34 is: 60,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,227.82 : 112,812.57 = 40,148.34 : x
  2. Step 2: Convert to fraction form
    75,227.82/112,812.57 = 40,148.34/x
  3. Step 3: Cross multiply
    75,227.82x = 112,812.57 × 40,148.34
  4. Step 4: Simplify right side
    75,227.82x = 4,529,237,416.63
  5. Step 5: Solve for x
    x = 4,529,237,416.63/75,227.82
  6. Step 6: Final answer
    x = 60,206.95

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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.