Home / 74,532.71-111,796.48-21,225.03

Finding the Fourth Proportional to 74,532.71, 111,796.48 and 21,225.03

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Solution

The fourth proportional to 74,532.71, 111,796.48 and 21,225.03 is: 31,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.71 : 111,796.48 = 21,225.03 : x
  2. Step 2: Convert to fraction form
    74,532.71/111,796.48 = 21,225.03/x
  3. Step 3: Cross multiply
    74,532.71x = 111,796.48 × 21,225.03
  4. Step 4: Simplify right side
    74,532.71x = 2,372,883,641.89
  5. Step 5: Solve for x
    x = 2,372,883,641.89/74,532.71
  6. Step 6: Final answer
    x = 31,836.81

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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.