Home / 89,500.65-134,529.93-56,433.21

Finding the Fourth Proportional to 89,500.65, 134,529.93 and 56,433.21

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Solution

The fourth proportional to 89,500.65, 134,529.93 and 56,433.21 is: 84,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.65 : 134,529.93 = 56,433.21 : x
  2. Step 2: Convert to fraction form
    89,500.65/134,529.93 = 56,433.21/x
  3. Step 3: Cross multiply
    89,500.65x = 134,529.93 × 56,433.21
  4. Step 4: Simplify right side
    89,500.65x = 7,591,955,790.98
  5. Step 5: Solve for x
    x = 7,591,955,790.98/89,500.65
  6. Step 6: Final answer
    x = 84,825.71

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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.