Home / 74,472.24-111,749.40-32,918.16

Finding the Fourth Proportional to 74,472.24, 111,749.40 and 32,918.16

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Solution

The fourth proportional to 74,472.24, 111,749.40 and 32,918.16 is: 49,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,472.24 : 111,749.40 = 32,918.16 : x
  2. Step 2: Convert to fraction form
    74,472.24/111,749.40 = 32,918.16/x
  3. Step 3: Cross multiply
    74,472.24x = 111,749.40 × 32,918.16
  4. Step 4: Simplify right side
    74,472.24x = 3,678,584,629.10
  5. Step 5: Solve for x
    x = 3,678,584,629.10/74,472.24
  6. Step 6: Final answer
    x = 49,395.38

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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.