Home / 59,972.28-89,958.84-20,529.72

Finding the Fourth Proportional to 59,972.28, 89,958.84 and 20,529.72

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Solution

The fourth proportional to 59,972.28, 89,958.84 and 20,529.72 is: 30,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,972.28 : 89,958.84 = 20,529.72 : x
  2. Step 2: Convert to fraction form
    59,972.28/89,958.84 = 20,529.72/x
  3. Step 3: Cross multiply
    59,972.28x = 89,958.84 × 20,529.72
  4. Step 4: Simplify right side
    59,972.28x = 1,846,829,796.72
  5. Step 5: Solve for x
    x = 1,846,829,796.72/59,972.28
  6. Step 6: Final answer
    x = 30,794.72

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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.