Home / 75,632.76-113,449.79-21,597.31

Finding the Fourth Proportional to 75,632.76, 113,449.79 and 21,597.31

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Solution

The fourth proportional to 75,632.76, 113,449.79 and 21,597.31 is: 32,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.76 : 113,449.79 = 21,597.31 : x
  2. Step 2: Convert to fraction form
    75,632.76/113,449.79 = 21,597.31/x
  3. Step 3: Cross multiply
    75,632.76x = 113,449.79 × 21,597.31
  4. Step 4: Simplify right side
    75,632.76x = 2,450,209,716.82
  5. Step 5: Solve for x
    x = 2,450,209,716.82/75,632.76
  6. Step 6: Final answer
    x = 32,396.14

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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.