Home / 54,534.17-81,751.75-19,465.63

Finding the Fourth Proportional to 54,534.17, 81,751.75 and 19,465.63

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Solution

The fourth proportional to 54,534.17, 81,751.75 and 19,465.63 is: 29,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,534.17 : 81,751.75 = 19,465.63 : x
  2. Step 2: Convert to fraction form
    54,534.17/81,751.75 = 19,465.63/x
  3. Step 3: Cross multiply
    54,534.17x = 81,751.75 × 19,465.63
  4. Step 4: Simplify right side
    54,534.17x = 1,591,349,064.31
  5. Step 5: Solve for x
    x = 1,591,349,064.31/54,534.17
  6. Step 6: Final answer
    x = 29,180.77

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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.