Home / 99,097.22-148,687.49-61,688.59

Finding the Fourth Proportional to 99,097.22, 148,687.49 and 61,688.59

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Solution

The fourth proportional to 99,097.22, 148,687.49 and 61,688.59 is: 92,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.22 : 148,687.49 = 61,688.59 : x
  2. Step 2: Convert to fraction form
    99,097.22/148,687.49 = 61,688.59/x
  3. Step 3: Cross multiply
    99,097.22x = 148,687.49 × 61,688.59
  4. Step 4: Simplify right side
    99,097.22x = 9,172,321,391.24
  5. Step 5: Solve for x
    x = 9,172,321,391.24/99,097.22
  6. Step 6: Final answer
    x = 92,558.81

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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.