Home / 101,921.49-152,772.08-49,258.53

Finding the Fourth Proportional to 101,921.49, 152,772.08 and 49,258.53

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Solution

The fourth proportional to 101,921.49, 152,772.08 and 49,258.53 is: 73,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,921.49 : 152,772.08 = 49,258.53 : x
  2. Step 2: Convert to fraction form
    101,921.49/152,772.08 = 49,258.53/x
  3. Step 3: Cross multiply
    101,921.49x = 152,772.08 × 49,258.53
  4. Step 4: Simplify right side
    101,921.49x = 7,525,327,839.55
  5. Step 5: Solve for x
    x = 7,525,327,839.55/101,921.49
  6. Step 6: Final answer
    x = 73,834.55

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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.