Home / 54,012.76-81,018.18-14,574.04

Finding the Fourth Proportional to 54,012.76, 81,018.18 and 14,574.04

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Solution

The fourth proportional to 54,012.76, 81,018.18 and 14,574.04 is: 21,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.76 : 81,018.18 = 14,574.04 : x
  2. Step 2: Convert to fraction form
    54,012.76/81,018.18 = 14,574.04/x
  3. Step 3: Cross multiply
    54,012.76x = 81,018.18 × 14,574.04
  4. Step 4: Simplify right side
    54,012.76x = 1,180,762,196.05
  5. Step 5: Solve for x
    x = 1,180,762,196.05/54,012.76
  6. Step 6: Final answer
    x = 21,860.80

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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.