Home / 65,917.72-90,965.73-35,702.29

Finding the Fourth Proportional to 65,917.72, 90,965.73 and 35,702.29

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Solution

The fourth proportional to 65,917.72, 90,965.73 and 35,702.29 is: 49,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.72 : 90,965.73 = 35,702.29 : x
  2. Step 2: Convert to fraction form
    65,917.72/90,965.73 = 35,702.29/x
  3. Step 3: Cross multiply
    65,917.72x = 90,965.73 × 35,702.29
  4. Step 4: Simplify right side
    65,917.72x = 3,247,684,872.52
  5. Step 5: Solve for x
    x = 3,247,684,872.52/65,917.72
  6. Step 6: Final answer
    x = 49,268.77

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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.