Home / 49,545.07-74,317.33-12,105.35

Finding the Fourth Proportional to 49,545.07, 74,317.33 and 12,105.35

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Solution

The fourth proportional to 49,545.07, 74,317.33 and 12,105.35 is: 18,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.07 : 74,317.33 = 12,105.35 : x
  2. Step 2: Convert to fraction form
    49,545.07/74,317.33 = 12,105.35/x
  3. Step 3: Cross multiply
    49,545.07x = 74,317.33 × 12,105.35
  4. Step 4: Simplify right side
    49,545.07x = 899,637,212.95
  5. Step 5: Solve for x
    x = 899,637,212.95/49,545.07
  6. Step 6: Final answer
    x = 18,157.96

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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.