Home / 89,150.98-133,553.13-49,588.15

Finding the Fourth Proportional to 89,150.98, 133,553.13 and 49,588.15

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Solution

The fourth proportional to 89,150.98, 133,553.13 and 49,588.15 is: 74,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,150.98 : 133,553.13 = 49,588.15 : x
  2. Step 2: Convert to fraction form
    89,150.98/133,553.13 = 49,588.15/x
  3. Step 3: Cross multiply
    89,150.98x = 133,553.13 × 49,588.15
  4. Step 4: Simplify right side
    89,150.98x = 6,622,652,643.41
  5. Step 5: Solve for x
    x = 6,622,652,643.41/89,150.98
  6. Step 6: Final answer
    x = 74,285.81

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1.5x scale

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.