Home / 49,485.72-74,227.50-12,045.96

Finding the Fourth Proportional to 49,485.72, 74,227.50 and 12,045.96

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Solution

The fourth proportional to 49,485.72, 74,227.50 and 12,045.96 is: 18,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.72 : 74,227.50 = 12,045.96 : x
  2. Step 2: Convert to fraction form
    49,485.72/74,227.50 = 12,045.96/x
  3. Step 3: Cross multiply
    49,485.72x = 74,227.50 × 12,045.96
  4. Step 4: Simplify right side
    49,485.72x = 894,141,495.90
  5. Step 5: Solve for x
    x = 894,141,495.90/49,485.72
  6. Step 6: Final answer
    x = 18,068.68

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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.