Home / 49,446.08-74,169.12-12,510.08

Finding the Fourth Proportional to 49,446.08, 74,169.12 and 12,510.08

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Solution

The fourth proportional to 49,446.08, 74,169.12 and 12,510.08 is: 18,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,446.08 : 74,169.12 = 12,510.08 : x
  2. Step 2: Convert to fraction form
    49,446.08/74,169.12 = 12,510.08/x
  3. Step 3: Cross multiply
    49,446.08x = 74,169.12 × 12,510.08
  4. Step 4: Simplify right side
    49,446.08x = 927,861,624.73
  5. Step 5: Solve for x
    x = 927,861,624.73/49,446.08
  6. Step 6: Final answer
    x = 18,765.12

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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.