Home / 49,105.13-73,657.69-12,169.13

Finding the Fourth Proportional to 49,105.13, 73,657.69 and 12,169.13

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Solution

The fourth proportional to 49,105.13, 73,657.69 and 12,169.13 is: 18,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,105.13 : 73,657.69 = 12,169.13 : x
  2. Step 2: Convert to fraction form
    49,105.13/73,657.69 = 12,169.13/x
  3. Step 3: Cross multiply
    49,105.13x = 73,657.69 × 12,169.13
  4. Step 4: Simplify right side
    49,105.13x = 896,349,606.40
  5. Step 5: Solve for x
    x = 896,349,606.40/49,105.13
  6. Step 6: Final answer
    x = 18,253.69

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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.