Home / 54,261.19-81,385.53-14,821.48

Finding the Fourth Proportional to 54,261.19, 81,385.53 and 14,821.48

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Solution

The fourth proportional to 54,261.19, 81,385.53 and 14,821.48 is: 22,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.19 : 81,385.53 = 14,821.48 : x
  2. Step 2: Convert to fraction form
    54,261.19/81,385.53 = 14,821.48/x
  3. Step 3: Cross multiply
    54,261.19x = 81,385.53 × 14,821.48
  4. Step 4: Simplify right side
    54,261.19x = 1,206,254,005.18
  5. Step 5: Solve for x
    x = 1,206,254,005.18/54,261.19
  6. Step 6: Final answer
    x = 22,230.51

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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.