Home / 107,629.47-161,344.55-47,626.14

Finding the Fourth Proportional to 107,629.47, 161,344.55 and 47,626.14

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Solution

The fourth proportional to 107,629.47, 161,344.55 and 47,626.14 is: 71,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.47 : 161,344.55 = 47,626.14 : x
  2. Step 2: Convert to fraction form
    107,629.47/161,344.55 = 47,626.14/x
  3. Step 3: Cross multiply
    107,629.47x = 161,344.55 × 47,626.14
  4. Step 4: Simplify right side
    107,629.47x = 7,684,217,888.41
  5. Step 5: Solve for x
    x = 7,684,217,888.41/107,629.47
  6. Step 6: Final answer
    x = 71,395.11

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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.