Home / 92,032.56-138,048.48-28,857.42

Finding the Fourth Proportional to 92,032.56, 138,048.48 and 28,857.42

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Solution

The fourth proportional to 92,032.56, 138,048.48 and 28,857.42 is: 43,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,032.56 : 138,048.48 = 28,857.42 : x
  2. Step 2: Convert to fraction form
    92,032.56/138,048.48 = 28,857.42/x
  3. Step 3: Cross multiply
    92,032.56x = 138,048.48 × 28,857.42
  4. Step 4: Simplify right side
    92,032.56x = 3,983,722,967.72
  5. Step 5: Solve for x
    x = 3,983,722,967.72/92,032.56
  6. Step 6: Final answer
    x = 43,286.02

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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.