Home / 69,218.92-103,917.66-59,421.16

Finding the Fourth Proportional to 69,218.92, 103,917.66 and 59,421.16

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Solution

The fourth proportional to 69,218.92, 103,917.66 and 59,421.16 is: 89,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.92 : 103,917.66 = 59,421.16 : x
  2. Step 2: Convert to fraction form
    69,218.92/103,917.66 = 59,421.16/x
  3. Step 3: Cross multiply
    69,218.92x = 103,917.66 × 59,421.16
  4. Step 4: Simplify right side
    69,218.92x = 6,174,907,901.69
  5. Step 5: Solve for x
    x = 6,174,907,901.69/69,218.92
  6. Step 6: Final answer
    x = 89,208.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.