Home / 65,721.66-98,582.44-15,801.74

Finding the Fourth Proportional to 65,721.66, 98,582.44 and 15,801.74

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Solution

The fourth proportional to 65,721.66, 98,582.44 and 15,801.74 is: 23,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.66 : 98,582.44 = 15,801.74 : x
  2. Step 2: Convert to fraction form
    65,721.66/98,582.44 = 15,801.74/x
  3. Step 3: Cross multiply
    65,721.66x = 98,582.44 × 15,801.74
  4. Step 4: Simplify right side
    65,721.66x = 1,557,773,858.15
  5. Step 5: Solve for x
    x = 1,557,773,858.15/65,721.66
  6. Step 6: Final answer
    x = 23,702.60

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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.