Home / 54,787.14-75,615.51-31,813.38

Finding the Fourth Proportional to 54,787.14, 75,615.51 and 31,813.38

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Solution

The fourth proportional to 54,787.14, 75,615.51 and 31,813.38 is: 43,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.14 : 75,615.51 = 31,813.38 : x
  2. Step 2: Convert to fraction form
    54,787.14/75,615.51 = 31,813.38/x
  3. Step 3: Cross multiply
    54,787.14x = 75,615.51 × 31,813.38
  4. Step 4: Simplify right side
    54,787.14x = 2,405,584,953.52
  5. Step 5: Solve for x
    x = 2,405,584,953.52/54,787.14
  6. Step 6: Final answer
    x = 43,907.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.