Home / 103,049.28-154,572.71-58,074.03

Finding the Fourth Proportional to 103,049.28, 154,572.71 and 58,074.03

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Solution

The fourth proportional to 103,049.28, 154,572.71 and 58,074.03 is: 87,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.28 : 154,572.71 = 58,074.03 : x
  2. Step 2: Convert to fraction form
    103,049.28/154,572.71 = 58,074.03/x
  3. Step 3: Cross multiply
    103,049.28x = 154,572.71 × 58,074.03
  4. Step 4: Simplify right side
    103,049.28x = 8,976,659,907.35
  5. Step 5: Solve for x
    x = 8,976,659,907.35/103,049.28
  6. Step 6: Final answer
    x = 87,110.36

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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.