Home / 89,050.12-133,624.37-49,629.45

Finding the Fourth Proportional to 89,050.12, 133,624.37 and 49,629.45

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Solution

The fourth proportional to 89,050.12, 133,624.37 and 49,629.45 is: 74,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,050.12 : 133,624.37 = 49,629.45 : x
  2. Step 2: Convert to fraction form
    89,050.12/133,624.37 = 49,629.45/x
  3. Step 3: Cross multiply
    89,050.12x = 133,624.37 × 49,629.45
  4. Step 4: Simplify right side
    89,050.12x = 6,631,703,989.70
  5. Step 5: Solve for x
    x = 6,631,703,989.70/89,050.12
  6. Step 6: Final answer
    x = 74,471.59

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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.