Home / 89,518.50-123,535.67-51,795.18

Finding the Fourth Proportional to 89,518.50, 123,535.67 and 51,795.18

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Solution

The fourth proportional to 89,518.50, 123,535.67 and 51,795.18 is: 71,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518.50 : 123,535.67 = 51,795.18 : x
  2. Step 2: Convert to fraction form
    89,518.50/123,535.67 = 51,795.18/x
  3. Step 3: Cross multiply
    89,518.50x = 123,535.67 × 51,795.18
  4. Step 4: Simplify right side
    89,518.50x = 6,398,552,005.09
  5. Step 5: Solve for x
    x = 6,398,552,005.09/89,518.50
  6. Step 6: Final answer
    x = 71,477.43

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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.