Home / 103,177.54-154,734.37-49,836.38

Finding the Fourth Proportional to 103,177.54, 154,734.37 and 49,836.38

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Solution

The fourth proportional to 103,177.54, 154,734.37 and 49,836.38 is: 74,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177.54 : 154,734.37 = 49,836.38 : x
  2. Step 2: Convert to fraction form
    103,177.54/154,734.37 = 49,836.38/x
  3. Step 3: Cross multiply
    103,177.54x = 154,734.37 × 49,836.38
  4. Step 4: Simplify right side
    103,177.54x = 7,711,400,862.38
  5. Step 5: Solve for x
    x = 7,711,400,862.38/103,177.54
  6. Step 6: Final answer
    x = 74,739.15

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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.