Home / 54,852.78-75,702.43-39,551.92

Finding the Fourth Proportional to 54,852.78, 75,702.43 and 39,551.92

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Solution

The fourth proportional to 54,852.78, 75,702.43 and 39,551.92 is: 54,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852.78 : 75,702.43 = 39,551.92 : x
  2. Step 2: Convert to fraction form
    54,852.78/75,702.43 = 39,551.92/x
  3. Step 3: Cross multiply
    54,852.78x = 75,702.43 × 39,551.92
  4. Step 4: Simplify right side
    54,852.78x = 2,994,176,455.17
  5. Step 5: Solve for x
    x = 2,994,176,455.17/54,852.78
  6. Step 6: Final answer
    x = 54,585.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.