Home / 54,345.18-81,541.23-29,402.81

Finding the Fourth Proportional to 54,345.18, 81,541.23 and 29,402.81

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Solution

The fourth proportional to 54,345.18, 81,541.23 and 29,402.81 is: 44,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.18 : 81,541.23 = 29,402.81 : x
  2. Step 2: Convert to fraction form
    54,345.18/81,541.23 = 29,402.81/x
  3. Step 3: Cross multiply
    54,345.18x = 81,541.23 × 29,402.81
  4. Step 4: Simplify right side
    54,345.18x = 2,397,540,885.15
  5. Step 5: Solve for x
    x = 2,397,540,885.15/54,345.18
  6. Step 6: Final answer
    x = 44,116.90

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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.