Home / 89,586.38-134,390.64-29,620.74

Finding the Fourth Proportional to 89,586.38, 134,390.64 and 29,620.74

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Solution

The fourth proportional to 89,586.38, 134,390.64 and 29,620.74 is: 44,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.38 : 134,390.64 = 29,620.74 : x
  2. Step 2: Convert to fraction form
    89,586.38/134,390.64 = 29,620.74/x
  3. Step 3: Cross multiply
    89,586.38x = 134,390.64 × 29,620.74
  4. Step 4: Simplify right side
    89,586.38x = 3,980,750,205.87
  5. Step 5: Solve for x
    x = 3,980,750,205.87/89,586.38
  6. Step 6: Final answer
    x = 44,434.77

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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.