Home / 60,555.30-90,846.61-18,439.14

Finding the Fourth Proportional to 60,555.30, 90,846.61 and 18,439.14

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Solution

The fourth proportional to 60,555.30, 90,846.61 and 18,439.14 is: 27,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.30 : 90,846.61 = 18,439.14 : x
  2. Step 2: Convert to fraction form
    60,555.30/90,846.61 = 18,439.14/x
  3. Step 3: Cross multiply
    60,555.30x = 90,846.61 × 18,439.14
  4. Step 4: Simplify right side
    60,555.30x = 1,675,133,758.61
  5. Step 5: Solve for x
    x = 1,675,133,758.61/60,555.30
  6. Step 6: Final answer
    x = 27,662.88

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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.