Home / 74,426.54-111,390.30-61,098.80

Finding the Fourth Proportional to 74,426.54, 111,390.30 and 61,098.80

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Solution

The fourth proportional to 74,426.54, 111,390.30 and 61,098.80 is: 91,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.54 : 111,390.30 = 61,098.80 : x
  2. Step 2: Convert to fraction form
    74,426.54/111,390.30 = 61,098.80/x
  3. Step 3: Cross multiply
    74,426.54x = 111,390.30 × 61,098.80
  4. Step 4: Simplify right side
    74,426.54x = 6,805,813,104.69
  5. Step 5: Solve for x
    x = 6,805,813,104.69/74,426.54
  6. Step 6: Final answer
    x = 91,443.37

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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.