Home / 47,787.39-65,950.07-28,667.99

Finding the Fourth Proportional to 47,787.39, 65,950.07 and 28,667.99

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Solution

The fourth proportional to 47,787.39, 65,950.07 and 28,667.99 is: 39,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,787.39 : 65,950.07 = 28,667.99 : x
  2. Step 2: Convert to fraction form
    47,787.39/65,950.07 = 28,667.99/x
  3. Step 3: Cross multiply
    47,787.39x = 65,950.07 × 28,667.99
  4. Step 4: Simplify right side
    47,787.39x = 1,890,655,968.79
  5. Step 5: Solve for x
    x = 1,890,655,968.79/47,787.39
  6. Step 6: Final answer
    x = 39,563.91

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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.