Home / 75,374.40-104,015.52-41,839.68

Finding the Fourth Proportional to 75,374.40, 104,015.52 and 41,839.68

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Solution

The fourth proportional to 75,374.40, 104,015.52 and 41,839.68 is: 57,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374.40 : 104,015.52 = 41,839.68 : x
  2. Step 2: Convert to fraction form
    75,374.40/104,015.52 = 41,839.68/x
  3. Step 3: Cross multiply
    75,374.40x = 104,015.52 × 41,839.68
  4. Step 4: Simplify right side
    75,374.40x = 4,351,976,071.83
  5. Step 5: Solve for x
    x = 4,351,976,071.83/75,374.40
  6. Step 6: Final answer
    x = 57,738.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.