Home / 92,001.60-138,002.40-28,822.25

Finding the Fourth Proportional to 92,001.60, 138,002.40 and 28,822.25

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Solution

The fourth proportional to 92,001.60, 138,002.40 and 28,822.25 is: 43,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.60 : 138,002.40 = 28,822.25 : x
  2. Step 2: Convert to fraction form
    92,001.60/138,002.40 = 28,822.25/x
  3. Step 3: Cross multiply
    92,001.60x = 138,002.40 × 28,822.25
  4. Step 4: Simplify right side
    92,001.60x = 3,977,539,673.40
  5. Step 5: Solve for x
    x = 3,977,539,673.40/92,001.60
  6. Step 6: Final answer
    x = 43,233.38

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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.