Home / 74,490.44-111,735.65-52,402.65

Finding the Fourth Proportional to 74,490.44, 111,735.65 and 52,402.65

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Solution

The fourth proportional to 74,490.44, 111,735.65 and 52,402.65 is: 78,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.44 : 111,735.65 = 52,402.65 : x
  2. Step 2: Convert to fraction form
    74,490.44/111,735.65 = 52,402.65/x
  3. Step 3: Cross multiply
    74,490.44x = 111,735.65 × 52,402.65
  4. Step 4: Simplify right side
    74,490.44x = 5,855,243,871.47
  5. Step 5: Solve for x
    x = 5,855,243,871.47/74,490.44
  6. Step 6: Final answer
    x = 78,603.97

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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.