Home / 90,610.27-124,896.77-61,529.51

Finding the Fourth Proportional to 90,610.27, 124,896.77 and 61,529.51

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Solution

The fourth proportional to 90,610.27, 124,896.77 and 61,529.51 is: 84,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.27 : 124,896.77 = 61,529.51 : x
  2. Step 2: Convert to fraction form
    90,610.27/124,896.77 = 61,529.51/x
  3. Step 3: Cross multiply
    90,610.27x = 124,896.77 × 61,529.51
  4. Step 4: Simplify right side
    90,610.27x = 7,684,837,294.01
  5. Step 5: Solve for x
    x = 7,684,837,294.01/90,610.27
  6. Step 6: Final answer
    x = 84,811.99

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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.