Home / 49,487.29-74,229.89-12,047.57

Finding the Fourth Proportional to 49,487.29, 74,229.89 and 12,047.57

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Solution

The fourth proportional to 49,487.29, 74,229.89 and 12,047.57 is: 18,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.29 : 74,229.89 = 12,047.57 : x
  2. Step 2: Convert to fraction form
    49,487.29/74,229.89 = 12,047.57/x
  3. Step 3: Cross multiply
    49,487.29x = 74,229.89 × 12,047.57
  4. Step 4: Simplify right side
    49,487.29x = 894,289,642.84
  5. Step 5: Solve for x
    x = 894,289,642.84/49,487.29
  6. Step 6: Final answer
    x = 18,071.10

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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.