Home / 74,182.72-111,292.32-21,592.66

Finding the Fourth Proportional to 74,182.72, 111,292.32 and 21,592.66

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Solution

The fourth proportional to 74,182.72, 111,292.32 and 21,592.66 is: 32,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,182.72 : 111,292.32 = 21,592.66 : x
  2. Step 2: Convert to fraction form
    74,182.72/111,292.32 = 21,592.66/x
  3. Step 3: Cross multiply
    74,182.72x = 111,292.32 × 21,592.66
  4. Step 4: Simplify right side
    74,182.72x = 2,403,097,226.37
  5. Step 5: Solve for x
    x = 2,403,097,226.37/74,182.72
  6. Step 6: Final answer
    x = 32,394.30

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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.