Home / 74,520.81-111,818.07-54,886.41

Finding the Fourth Proportional to 74,520.81, 111,818.07 and 54,886.41

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Solution

The fourth proportional to 74,520.81, 111,818.07 and 54,886.41 is: 82,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.81 : 111,818.07 = 54,886.41 : x
  2. Step 2: Convert to fraction form
    74,520.81/111,818.07 = 54,886.41/x
  3. Step 3: Cross multiply
    74,520.81x = 111,818.07 × 54,886.41
  4. Step 4: Simplify right side
    74,520.81x = 6,137,292,435.43
  5. Step 5: Solve for x
    x = 6,137,292,435.43/74,520.81
  6. Step 6: Final answer
    x = 82,356.76

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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.