Home / 54,856.78-75,702.72-29,706.28

Finding the Fourth Proportional to 54,856.78, 75,702.72 and 29,706.28

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Solution

The fourth proportional to 54,856.78, 75,702.72 and 29,706.28 is: 40,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.78 : 75,702.72 = 29,706.28 : x
  2. Step 2: Convert to fraction form
    54,856.78/75,702.72 = 29,706.28/x
  3. Step 3: Cross multiply
    54,856.78x = 75,702.72 × 29,706.28
  4. Step 4: Simplify right side
    54,856.78x = 2,248,846,197.08
  5. Step 5: Solve for x
    x = 2,248,846,197.08/54,856.78
  6. Step 6: Final answer
    x = 40,994.86

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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.