Home / 92,135.24-138,236.66-38,840.64

Finding the Fourth Proportional to 92,135.24, 138,236.66 and 38,840.64

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Solution

The fourth proportional to 92,135.24, 138,236.66 and 38,840.64 is: 58,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,135.24 : 138,236.66 = 38,840.64 : x
  2. Step 2: Convert to fraction form
    92,135.24/138,236.66 = 38,840.64/x
  3. Step 3: Cross multiply
    92,135.24x = 138,236.66 × 38,840.64
  4. Step 4: Simplify right side
    92,135.24x = 5,369,200,345.86
  5. Step 5: Solve for x
    x = 5,369,200,345.86/92,135.24
  6. Step 6: Final answer
    x = 58,275.21

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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.