Home / 89,850.12-123,999.30-52,124.37

Finding the Fourth Proportional to 89,850.12, 123,999.30 and 52,124.37

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Solution

The fourth proportional to 89,850.12, 123,999.30 and 52,124.37 is: 71,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.12 : 123,999.30 = 52,124.37 : x
  2. Step 2: Convert to fraction form
    89,850.12/123,999.30 = 52,124.37/x
  3. Step 3: Cross multiply
    89,850.12x = 123,999.30 × 52,124.37
  4. Step 4: Simplify right side
    89,850.12x = 6,463,385,392.94
  5. Step 5: Solve for x
    x = 6,463,385,392.94/89,850.12
  6. Step 6: Final answer
    x = 71,935.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.