Home / 69,910.36-96,533.26-56,991.71

Finding the Fourth Proportional to 69,910.36, 96,533.26 and 56,991.71

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Solution

The fourth proportional to 69,910.36, 96,533.26 and 56,991.71 is: 78,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,910.36 : 96,533.26 = 56,991.71 : x
  2. Step 2: Convert to fraction form
    69,910.36/96,533.26 = 56,991.71/x
  3. Step 3: Cross multiply
    69,910.36x = 96,533.26 × 56,991.71
  4. Step 4: Simplify right side
    69,910.36x = 5,501,595,658.13
  5. Step 5: Solve for x
    x = 5,501,595,658.13/69,910.36
  6. Step 6: Final answer
    x = 78,695.00

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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.