Home / 103,843.20-155,837.70-44,721.30

Finding the Fourth Proportional to 103,843.20, 155,837.70 and 44,721.30

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Solution

The fourth proportional to 103,843.20, 155,837.70 and 44,721.30 is: 67,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.20 : 155,837.70 = 44,721.30 : x
  2. Step 2: Convert to fraction form
    103,843.20/155,837.70 = 44,721.30/x
  3. Step 3: Cross multiply
    103,843.20x = 155,837.70 × 44,721.30
  4. Step 4: Simplify right side
    103,843.20x = 6,969,264,533.01
  5. Step 5: Solve for x
    x = 6,969,264,533.01/103,843.20
  6. Step 6: Final answer
    x = 67,113.35

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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.