Home / 74,766.44-103,152.18-42,497.80

Finding the Fourth Proportional to 74,766.44, 103,152.18 and 42,497.80

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Solution

The fourth proportional to 74,766.44, 103,152.18 and 42,497.80 is: 58,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.44 : 103,152.18 = 42,497.80 : x
  2. Step 2: Convert to fraction form
    74,766.44/103,152.18 = 42,497.80/x
  3. Step 3: Cross multiply
    74,766.44x = 103,152.18 × 42,497.80
  4. Step 4: Simplify right side
    74,766.44x = 4,383,740,616.69
  5. Step 5: Solve for x
    x = 4,383,740,616.69/74,766.44
  6. Step 6: Final answer
    x = 58,632.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.