Home / 74,240.10-111,384.60-49,377.96

Finding the Fourth Proportional to 74,240.10, 111,384.60 and 49,377.96

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Solution

The fourth proportional to 74,240.10, 111,384.60 and 49,377.96 is: 74,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.10 : 111,384.60 = 49,377.96 : x
  2. Step 2: Convert to fraction form
    74,240.10/111,384.60 = 49,377.96/x
  3. Step 3: Cross multiply
    74,240.10x = 111,384.60 × 49,377.96
  4. Step 4: Simplify right side
    74,240.10x = 5,499,944,323.42
  5. Step 5: Solve for x
    x = 5,499,944,323.42/74,240.10
  6. Step 6: Final answer
    x = 74,083.20

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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.