Home / 61,150.66-91,714.25-19,031.27

Finding the Fourth Proportional to 61,150.66, 91,714.25 and 19,031.27

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Solution

The fourth proportional to 61,150.66, 91,714.25 and 19,031.27 is: 28,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.66 : 91,714.25 = 19,031.27 : x
  2. Step 2: Convert to fraction form
    61,150.66/91,714.25 = 19,031.27/x
  3. Step 3: Cross multiply
    61,150.66x = 91,714.25 × 19,031.27
  4. Step 4: Simplify right side
    61,150.66x = 1,745,438,654.60
  5. Step 5: Solve for x
    x = 1,745,438,654.60/61,150.66
  6. Step 6: Final answer
    x = 28,543.25

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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.