Home / 42,142.60-63,196.62-15,833.26

Finding the Fourth Proportional to 42,142.60, 63,196.62 and 15,833.26

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Solution

The fourth proportional to 42,142.60, 63,196.62 and 15,833.26 is: 23,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142.60 : 63,196.62 = 15,833.26 : x
  2. Step 2: Convert to fraction form
    42,142.60/63,196.62 = 15,833.26/x
  3. Step 3: Cross multiply
    42,142.60x = 63,196.62 × 15,833.26
  4. Step 4: Simplify right side
    42,142.60x = 1,000,608,515.58
  5. Step 5: Solve for x
    x = 1,000,608,515.58/42,142.60
  6. Step 6: Final answer
    x = 23,743.40

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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.