Home / 54,167.16-81,184.19-30,424.80

Finding the Fourth Proportional to 54,167.16, 81,184.19 and 30,424.80

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Solution

The fourth proportional to 54,167.16, 81,184.19 and 30,424.80 is: 45,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.16 : 81,184.19 = 30,424.80 : x
  2. Step 2: Convert to fraction form
    54,167.16/81,184.19 = 30,424.80/x
  3. Step 3: Cross multiply
    54,167.16x = 81,184.19 × 30,424.80
  4. Step 4: Simplify right side
    54,167.16x = 2,470,012,563.86
  5. Step 5: Solve for x
    x = 2,470,012,563.86/54,167.16
  6. Step 6: Final answer
    x = 45,599.82

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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.