Home / 74,535.41-111,827.73-30,137.94

Finding the Fourth Proportional to 74,535.41, 111,827.73 and 30,137.94

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Solution

The fourth proportional to 74,535.41, 111,827.73 and 30,137.94 is: 45,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.41 : 111,827.73 = 30,137.94 : x
  2. Step 2: Convert to fraction form
    74,535.41/111,827.73 = 30,137.94/x
  3. Step 3: Cross multiply
    74,535.41x = 111,827.73 × 30,137.94
  4. Step 4: Simplify right side
    74,535.41x = 3,370,257,417.08
  5. Step 5: Solve for x
    x = 3,370,257,417.08/74,535.41
  6. Step 6: Final answer
    x = 45,216.87

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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.