Home / 54,564.12-81,364.29-47,927.79

Finding the Fourth Proportional to 54,564.12, 81,364.29 and 47,927.79

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Solution

The fourth proportional to 54,564.12, 81,364.29 and 47,927.79 is: 71,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.12 : 81,364.29 = 47,927.79 : x
  2. Step 2: Convert to fraction form
    54,564.12/81,364.29 = 47,927.79/x
  3. Step 3: Cross multiply
    54,564.12x = 81,364.29 × 47,927.79
  4. Step 4: Simplify right side
    54,564.12x = 3,899,610,604.62
  5. Step 5: Solve for x
    x = 3,899,610,604.62/54,564.12
  6. Step 6: Final answer
    x = 71,468.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.