Home / 74,058.30-111,113.37-21,470.94

Finding the Fourth Proportional to 74,058.30, 111,113.37 and 21,470.94

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Solution

The fourth proportional to 74,058.30, 111,113.37 and 21,470.94 is: 32,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,058.30 : 111,113.37 = 21,470.94 : x
  2. Step 2: Convert to fraction form
    74,058.30/111,113.37 = 21,470.94/x
  3. Step 3: Cross multiply
    74,058.30x = 111,113.37 × 21,470.94
  4. Step 4: Simplify right side
    74,058.30x = 2,385,708,500.47
  5. Step 5: Solve for x
    x = 2,385,708,500.47/74,058.30
  6. Step 6: Final answer
    x = 32,213.92

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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.