Home / 74,184.72-111,295.29-21,594.66

Finding the Fourth Proportional to 74,184.72, 111,295.29 and 21,594.66

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Solution

The fourth proportional to 74,184.72, 111,295.29 and 21,594.66 is: 32,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.72 : 111,295.29 = 21,594.66 : x
  2. Step 2: Convert to fraction form
    74,184.72/111,295.29 = 21,594.66/x
  3. Step 3: Cross multiply
    74,184.72x = 111,295.29 × 21,594.66
  4. Step 4: Simplify right side
    74,184.72x = 2,403,383,947.15
  5. Step 5: Solve for x
    x = 2,403,383,947.15/74,184.72
  6. Step 6: Final answer
    x = 32,397.29

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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.