Home / 54,465.06-81,701.64-15,021.84

Finding the Fourth Proportional to 54,465.06, 81,701.64 and 15,021.84

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Solution

The fourth proportional to 54,465.06, 81,701.64 and 15,021.84 is: 22,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,465.06 : 81,701.64 = 15,021.84 : x
  2. Step 2: Convert to fraction form
    54,465.06/81,701.64 = 15,021.84/x
  3. Step 3: Cross multiply
    54,465.06x = 81,701.64 × 15,021.84
  4. Step 4: Simplify right side
    54,465.06x = 1,227,308,963.82
  5. Step 5: Solve for x
    x = 1,227,308,963.82/54,465.06
  6. Step 6: Final answer
    x = 22,533.88

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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.