Home / 49,665.06-74,496.96-12,225.60

Finding the Fourth Proportional to 49,665.06, 74,496.96 and 12,225.60

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Solution

The fourth proportional to 49,665.06, 74,496.96 and 12,225.60 is: 18,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.06 : 74,496.96 = 12,225.60 : x
  2. Step 2: Convert to fraction form
    49,665.06/74,496.96 = 12,225.60/x
  3. Step 3: Cross multiply
    49,665.06x = 74,496.96 × 12,225.60
  4. Step 4: Simplify right side
    49,665.06x = 910,770,034.18
  5. Step 5: Solve for x
    x = 910,770,034.18/49,665.06
  6. Step 6: Final answer
    x = 18,338.24

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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.