Home / 75,660.25-113,616.85-47,263.27

Finding the Fourth Proportional to 75,660.25, 113,616.85 and 47,263.27

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Solution

The fourth proportional to 75,660.25, 113,616.85 and 47,263.27 is: 70,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.25 : 113,616.85 = 47,263.27 : x
  2. Step 2: Convert to fraction form
    75,660.25/113,616.85 = 47,263.27/x
  3. Step 3: Cross multiply
    75,660.25x = 113,616.85 × 47,263.27
  4. Step 4: Simplify right side
    75,660.25x = 5,369,904,210.02
  5. Step 5: Solve for x
    x = 5,369,904,210.02/75,660.25
  6. Step 6: Final answer
    x = 70,973.91

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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.