Home / 99,935.94-137,898.33-64,174.44

Finding the Fourth Proportional to 99,935.94, 137,898.33 and 64,174.44

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Solution

The fourth proportional to 99,935.94, 137,898.33 and 64,174.44 is: 88,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.94 : 137,898.33 = 64,174.44 : x
  2. Step 2: Convert to fraction form
    99,935.94/137,898.33 = 64,174.44/x
  3. Step 3: Cross multiply
    99,935.94x = 137,898.33 × 64,174.44
  4. Step 4: Simplify right side
    99,935.94x = 8,849,548,104.69
  5. Step 5: Solve for x
    x = 8,849,548,104.69/99,935.94
  6. Step 6: Final answer
    x = 88,552.21

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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.