Home / 54,541.04-81,803.34-19,007.75

Finding the Fourth Proportional to 54,541.04, 81,803.34 and 19,007.75

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Solution

The fourth proportional to 54,541.04, 81,803.34 and 19,007.75 is: 28,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.04 : 81,803.34 = 19,007.75 : x
  2. Step 2: Convert to fraction form
    54,541.04/81,803.34 = 19,007.75/x
  3. Step 3: Cross multiply
    54,541.04x = 81,803.34 × 19,007.75
  4. Step 4: Simplify right side
    54,541.04x = 1,554,897,026.87
  5. Step 5: Solve for x
    x = 1,554,897,026.87/54,541.04
  6. Step 6: Final answer
    x = 28,508.76

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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.