Home / 54,908.64-82,166.08-47,538.40

Finding the Fourth Proportional to 54,908.64, 82,166.08 and 47,538.40

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Solution

The fourth proportional to 54,908.64, 82,166.08 and 47,538.40 is: 71,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,908.64 : 82,166.08 = 47,538.40 : x
  2. Step 2: Convert to fraction form
    54,908.64/82,166.08 = 47,538.40/x
  3. Step 3: Cross multiply
    54,908.64x = 82,166.08 × 47,538.40
  4. Step 4: Simplify right side
    54,908.64x = 3,906,043,977.47
  5. Step 5: Solve for x
    x = 3,906,043,977.47/54,908.64
  6. Step 6: Final answer
    x = 71,137.15

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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.