Home / 47,977.16-71,963.66-16,390.04

Finding the Fourth Proportional to 47,977.16, 71,963.66 and 16,390.04

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Solution

The fourth proportional to 47,977.16, 71,963.66 and 16,390.04 is: 24,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.16 : 71,963.66 = 16,390.04 : x
  2. Step 2: Convert to fraction form
    47,977.16/71,963.66 = 16,390.04/x
  3. Step 3: Cross multiply
    47,977.16x = 71,963.66 × 16,390.04
  4. Step 4: Simplify right side
    47,977.16x = 1,179,486,947.10
  5. Step 5: Solve for x
    x = 1,179,486,947.10/47,977.16
  6. Step 6: Final answer
    x = 24,584.35

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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.