Home / 103,744.20-155,693.10-41,459.40

Finding the Fourth Proportional to 103,744.20, 155,693.10 and 41,459.40

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Solution

The fourth proportional to 103,744.20, 155,693.10 and 41,459.40 is: 62,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.20 : 155,693.10 = 41,459.40 : x
  2. Step 2: Convert to fraction form
    103,744.20/155,693.10 = 41,459.40/x
  3. Step 3: Cross multiply
    103,744.20x = 155,693.10 × 41,459.40
  4. Step 4: Simplify right side
    103,744.20x = 6,454,942,510.14
  5. Step 5: Solve for x
    x = 6,454,942,510.14/103,744.20
  6. Step 6: Final answer
    x = 62,219.79

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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.