Home / 54,542.16-81,803.98-15,090.05

Finding the Fourth Proportional to 54,542.16, 81,803.98 and 15,090.05

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Solution

The fourth proportional to 54,542.16, 81,803.98 and 15,090.05 is: 22,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.16 : 81,803.98 = 15,090.05 : x
  2. Step 2: Convert to fraction form
    54,542.16/81,803.98 = 15,090.05/x
  3. Step 3: Cross multiply
    54,542.16x = 81,803.98 × 15,090.05
  4. Step 4: Simplify right side
    54,542.16x = 1,234,425,826.74
  5. Step 5: Solve for x
    x = 1,234,425,826.74/54,542.16
  6. Step 6: Final answer
    x = 22,632.51

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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.