Home / 74,442.58-111,639.87-24,510.78

Finding the Fourth Proportional to 74,442.58, 111,639.87 and 24,510.78

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Solution

The fourth proportional to 74,442.58, 111,639.87 and 24,510.78 is: 36,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,442.58 : 111,639.87 = 24,510.78 : x
  2. Step 2: Convert to fraction form
    74,442.58/111,639.87 = 24,510.78/x
  3. Step 3: Cross multiply
    74,442.58x = 111,639.87 × 24,510.78
  4. Step 4: Simplify right side
    74,442.58x = 2,736,380,292.80
  5. Step 5: Solve for x
    x = 2,736,380,292.80/74,442.58
  6. Step 6: Final answer
    x = 36,758.27

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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.