Home / 54,261.36-81,379.29-14,809.08

Finding the Fourth Proportional to 54,261.36, 81,379.29 and 14,809.08

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Solution

The fourth proportional to 54,261.36, 81,379.29 and 14,809.08 is: 22,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.36 : 81,379.29 = 14,809.08 : x
  2. Step 2: Convert to fraction form
    54,261.36/81,379.29 = 14,809.08/x
  3. Step 3: Cross multiply
    54,261.36x = 81,379.29 × 14,809.08
  4. Step 4: Simplify right side
    54,261.36x = 1,205,152,415.95
  5. Step 5: Solve for x
    x = 1,205,152,415.95/54,261.36
  6. Step 6: Final answer
    x = 22,210.14

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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.