Home / 89,565.44-134,318.04-45,163.84

Finding the Fourth Proportional to 89,565.44, 134,318.04 and 45,163.84

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Solution

The fourth proportional to 89,565.44, 134,318.04 and 45,163.84 is: 67,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.44 : 134,318.04 = 45,163.84 : x
  2. Step 2: Convert to fraction form
    89,565.44/134,318.04 = 45,163.84/x
  3. Step 3: Cross multiply
    89,565.44x = 134,318.04 × 45,163.84
  4. Step 4: Simplify right side
    89,565.44x = 6,066,318,467.67
  5. Step 5: Solve for x
    x = 6,066,318,467.67/89,565.44
  6. Step 6: Final answer
    x = 67,730.57

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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.