Home / 54,406.72-81,440.48-41,894.24

Finding the Fourth Proportional to 54,406.72, 81,440.48 and 41,894.24

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Solution

The fourth proportional to 54,406.72, 81,440.48 and 41,894.24 is: 62,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.72 : 81,440.48 = 41,894.24 : x
  2. Step 2: Convert to fraction form
    54,406.72/81,440.48 = 41,894.24/x
  3. Step 3: Cross multiply
    54,406.72x = 81,440.48 × 41,894.24
  4. Step 4: Simplify right side
    54,406.72x = 3,411,887,014.84
  5. Step 5: Solve for x
    x = 3,411,887,014.84/54,406.72
  6. Step 6: Final answer
    x = 62,710.76

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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.