Home / 69,092.37-103,099.68-61,645.63

Finding the Fourth Proportional to 69,092.37, 103,099.68 and 61,645.63

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Solution

The fourth proportional to 69,092.37, 103,099.68 and 61,645.63 is: 91,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,092.37 : 103,099.68 = 61,645.63 : x
  2. Step 2: Convert to fraction form
    69,092.37/103,099.68 = 61,645.63/x
  3. Step 3: Cross multiply
    69,092.37x = 103,099.68 × 61,645.63
  4. Step 4: Simplify right side
    69,092.37x = 6,355,644,726.40
  5. Step 5: Solve for x
    x = 6,355,644,726.40/69,092.37
  6. Step 6: Final answer
    x = 91,987.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.