Home / 54,541.60-81,803.14-15,089.49

Finding the Fourth Proportional to 54,541.60, 81,803.14 and 15,089.49

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Solution

The fourth proportional to 54,541.60, 81,803.14 and 15,089.49 is: 22,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.60 : 81,803.14 = 15,089.49 : x
  2. Step 2: Convert to fraction form
    54,541.60/81,803.14 = 15,089.49/x
  3. Step 3: Cross multiply
    54,541.60x = 81,803.14 × 15,089.49
  4. Step 4: Simplify right side
    54,541.60x = 1,234,367,625.27
  5. Step 5: Solve for x
    x = 1,234,367,625.27/54,541.60
  6. Step 6: Final answer
    x = 22,631.67

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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.