Home / 89,556.31-123,605.37-51,341.51

Finding the Fourth Proportional to 89,556.31, 123,605.37 and 51,341.51

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Solution

The fourth proportional to 89,556.31, 123,605.37 and 51,341.51 is: 70,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.31 : 123,605.37 = 51,341.51 : x
  2. Step 2: Convert to fraction form
    89,556.31/123,605.37 = 51,341.51/x
  3. Step 3: Cross multiply
    89,556.31x = 123,605.37 × 51,341.51
  4. Step 4: Simplify right side
    89,556.31x = 6,346,086,648.92
  5. Step 5: Solve for x
    x = 6,346,086,648.92/89,556.31
  6. Step 6: Final answer
    x = 70,861.41

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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.