Home / 73,860.50-110,698.32-31,690.82

Finding the Fourth Proportional to 73,860.50, 110,698.32 and 31,690.82

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Solution

The fourth proportional to 73,860.50, 110,698.32 and 31,690.82 is: 47,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.50 : 110,698.32 = 31,690.82 : x
  2. Step 2: Convert to fraction form
    73,860.50/110,698.32 = 31,690.82/x
  3. Step 3: Cross multiply
    73,860.50x = 110,698.32 × 31,690.82
  4. Step 4: Simplify right side
    73,860.50x = 3,508,120,533.42
  5. Step 5: Solve for x
    x = 3,508,120,533.42/73,860.50
  6. Step 6: Final answer
    x = 47,496.57

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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.