Home / 124,401.92-186,605.76-30,908.48

Finding the Fourth Proportional to 124,401.92, 186,605.76 and 30,908.48

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Solution

The fourth proportional to 124,401.92, 186,605.76 and 30,908.48 is: 46,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401.92 : 186,605.76 = 30,908.48 : x
  2. Step 2: Convert to fraction form
    124,401.92/186,605.76 = 30,908.48/x
  3. Step 3: Cross multiply
    124,401.92x = 186,605.76 × 30,908.48
  4. Step 4: Simplify right side
    124,401.92x = 5,767,700,400.84
  5. Step 5: Solve for x
    x = 5,767,700,400.84/124,401.92
  6. Step 6: Final answer
    x = 46,363.44

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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.