Home / 59,966.28-89,949.84-20,523.72

Finding the Fourth Proportional to 59,966.28, 89,949.84 and 20,523.72

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Solution

The fourth proportional to 59,966.28, 89,949.84 and 20,523.72 is: 30,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,966.28 : 89,949.84 = 20,523.72 : x
  2. Step 2: Convert to fraction form
    59,966.28/89,949.84 = 20,523.72/x
  3. Step 3: Cross multiply
    59,966.28x = 89,949.84 × 20,523.72
  4. Step 4: Simplify right side
    59,966.28x = 1,846,105,330.20
  5. Step 5: Solve for x
    x = 1,846,105,330.20/59,966.28
  6. Step 6: Final answer
    x = 30,785.72

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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.