Home / 103,351.68-155,012.40-49,304.16

Finding the Fourth Proportional to 103,351.68, 155,012.40 and 49,304.16

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Solution

The fourth proportional to 103,351.68, 155,012.40 and 49,304.16 is: 73,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,351.68 : 155,012.40 = 49,304.16 : x
  2. Step 2: Convert to fraction form
    103,351.68/155,012.40 = 49,304.16/x
  3. Step 3: Cross multiply
    103,351.68x = 155,012.40 × 49,304.16
  4. Step 4: Simplify right side
    103,351.68x = 7,642,756,171.58
  5. Step 5: Solve for x
    x = 7,642,756,171.58/103,351.68
  6. Step 6: Final answer
    x = 73,949.03

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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.