Home / 92,042.22-138,065.06-28,860.96

Finding the Fourth Proportional to 92,042.22, 138,065.06 and 28,860.96

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Solution

The fourth proportional to 92,042.22, 138,065.06 and 28,860.96 is: 43,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,042.22 : 138,065.06 = 28,860.96 : x
  2. Step 2: Convert to fraction form
    92,042.22/138,065.06 = 28,860.96/x
  3. Step 3: Cross multiply
    92,042.22x = 138,065.06 × 28,860.96
  4. Step 4: Simplify right side
    92,042.22x = 3,984,689,825.00
  5. Step 5: Solve for x
    x = 3,984,689,825.00/92,042.22
  6. Step 6: Final answer
    x = 43,291.98

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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.