Home / 92,400.64-138,618.05-29,236.66

Finding the Fourth Proportional to 92,400.64, 138,618.05 and 29,236.66

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Solution

The fourth proportional to 92,400.64, 138,618.05 and 29,236.66 is: 43,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.64 : 138,618.05 = 29,236.66 : x
  2. Step 2: Convert to fraction form
    92,400.64/138,618.05 = 29,236.66/x
  3. Step 3: Cross multiply
    92,400.64x = 138,618.05 × 29,236.66
  4. Step 4: Simplify right side
    92,400.64x = 4,052,728,541.03
  5. Step 5: Solve for x
    x = 4,052,728,541.03/92,400.64
  6. Step 6: Final answer
    x = 43,860.40

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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.