Home / 103,728.74-155,593.26-28,848.92

Finding the Fourth Proportional to 103,728.74, 155,593.26 and 28,848.92

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Solution

The fourth proportional to 103,728.74, 155,593.26 and 28,848.92 is: 43,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,728.74 : 155,593.26 = 28,848.92 : x
  2. Step 2: Convert to fraction form
    103,728.74/155,593.26 = 28,848.92/x
  3. Step 3: Cross multiply
    103,728.74x = 155,593.26 × 28,848.92
  4. Step 4: Simplify right side
    103,728.74x = 4,488,696,732.31
  5. Step 5: Solve for x
    x = 4,488,696,732.31/103,728.74
  6. Step 6: Final answer
    x = 43,273.42

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1.5x scale

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.