Home / 124,443.45-186,665.18-30,949.20

Finding the Fourth Proportional to 124,443.45, 186,665.18 and 30,949.20

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Solution

The fourth proportional to 124,443.45, 186,665.18 and 30,949.20 is: 46,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443.45 : 186,665.18 = 30,949.20 : x
  2. Step 2: Convert to fraction form
    124,443.45/186,665.18 = 30,949.20/x
  3. Step 3: Cross multiply
    124,443.45x = 186,665.18 × 30,949.20
  4. Step 4: Simplify right side
    124,443.45x = 5,777,137,834.11
  5. Step 5: Solve for x
    x = 5,777,137,834.11/124,443.45
  6. Step 6: Final answer
    x = 46,423.80

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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.