Home / 54,972.02-82,458.22-13,419.02

Finding the Fourth Proportional to 54,972.02, 82,458.22 and 13,419.02

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Solution

The fourth proportional to 54,972.02, 82,458.22 and 13,419.02 is: 20,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.02 : 82,458.22 = 13,419.02 : x
  2. Step 2: Convert to fraction form
    54,972.02/82,458.22 = 13,419.02/x
  3. Step 3: Cross multiply
    54,972.02x = 82,458.22 × 13,419.02
  4. Step 4: Simplify right side
    54,972.02x = 1,106,508,503.34
  5. Step 5: Solve for x
    x = 1,106,508,503.34/54,972.02
  6. Step 6: Final answer
    x = 20,128.58

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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.