Home / 49,545.44-74,317.89-12,105.72

Finding the Fourth Proportional to 49,545.44, 74,317.89 and 12,105.72

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Solution

The fourth proportional to 49,545.44, 74,317.89 and 12,105.72 is: 18,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.44 : 74,317.89 = 12,105.72 : x
  2. Step 2: Convert to fraction form
    49,545.44/74,317.89 = 12,105.72/x
  3. Step 3: Cross multiply
    49,545.44x = 74,317.89 × 12,105.72
  4. Step 4: Simplify right side
    49,545.44x = 899,671,891.42
  5. Step 5: Solve for x
    x = 899,671,891.42/49,545.44
  6. Step 6: Final answer
    x = 18,158.52

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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.