Home / 97,212.87-145,832.28-47,286.39

Finding the Fourth Proportional to 97,212.87, 145,832.28 and 47,286.39

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Solution

The fourth proportional to 97,212.87, 145,832.28 and 47,286.39 is: 70,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,212.87 : 145,832.28 = 47,286.39 : x
  2. Step 2: Convert to fraction form
    97,212.87/145,832.28 = 47,286.39/x
  3. Step 3: Cross multiply
    97,212.87x = 145,832.28 × 47,286.39
  4. Step 4: Simplify right side
    97,212.87x = 6,895,882,066.67
  5. Step 5: Solve for x
    x = 6,895,882,066.67/97,212.87
  6. Step 6: Final answer
    x = 70,935.90

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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.