Home / 54,008.76-81,012.18-14,570.04

Finding the Fourth Proportional to 54,008.76, 81,012.18 and 14,570.04

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Solution

The fourth proportional to 54,008.76, 81,012.18 and 14,570.04 is: 21,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.76 : 81,012.18 = 14,570.04 : x
  2. Step 2: Convert to fraction form
    54,008.76/81,012.18 = 14,570.04/x
  3. Step 3: Cross multiply
    54,008.76x = 81,012.18 × 14,570.04
  4. Step 4: Simplify right side
    54,008.76x = 1,180,350,703.09
  5. Step 5: Solve for x
    x = 1,180,350,703.09/54,008.76
  6. Step 6: Final answer
    x = 21,854.80

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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.