Home / 83,464.26-125,196.48-21,134.76

Finding the Fourth Proportional to 83,464.26, 125,196.48 and 21,134.76

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Solution

The fourth proportional to 83,464.26, 125,196.48 and 21,134.76 is: 31,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.26 : 125,196.48 = 21,134.76 : x
  2. Step 2: Convert to fraction form
    83,464.26/125,196.48 = 21,134.76/x
  3. Step 3: Cross multiply
    83,464.26x = 125,196.48 × 21,134.76
  4. Step 4: Simplify right side
    83,464.26x = 2,645,997,557.64
  5. Step 5: Solve for x
    x = 2,645,997,557.64/83,464.26
  6. Step 6: Final answer
    x = 31,702.16

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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.