Home / 123,821.10-185,710.05-44,894.70

Finding the Fourth Proportional to 123,821.10, 185,710.05 and 44,894.70

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Solution

The fourth proportional to 123,821.10, 185,710.05 and 44,894.70 is: 67,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,821.10 : 185,710.05 = 44,894.70 : x
  2. Step 2: Convert to fraction form
    123,821.10/185,710.05 = 44,894.70/x
  3. Step 3: Cross multiply
    123,821.10x = 185,710.05 × 44,894.70
  4. Step 4: Simplify right side
    123,821.10x = 8,337,396,981.74
  5. Step 5: Solve for x
    x = 8,337,396,981.74/123,821.10
  6. Step 6: Final answer
    x = 67,334.22

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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.