Home / 108,869.37-150,235.87-61,124.73

Finding the Fourth Proportional to 108,869.37, 150,235.87 and 61,124.73

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Solution

The fourth proportional to 108,869.37, 150,235.87 and 61,124.73 is: 84,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869.37 : 150,235.87 = 61,124.73 : x
  2. Step 2: Convert to fraction form
    108,869.37/150,235.87 = 61,124.73/x
  3. Step 3: Cross multiply
    108,869.37x = 150,235.87 × 61,124.73
  4. Step 4: Simplify right side
    108,869.37x = 9,183,125,933.26
  5. Step 5: Solve for x
    x = 9,183,125,933.26/108,869.37
  6. Step 6: Final answer
    x = 84,349.95

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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.