Home / 74,550.62-102,882.21-42,729.50

Finding the Fourth Proportional to 74,550.62, 102,882.21 and 42,729.50

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Solution

The fourth proportional to 74,550.62, 102,882.21 and 42,729.50 is: 58,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550.62 : 102,882.21 = 42,729.50 : x
  2. Step 2: Convert to fraction form
    74,550.62/102,882.21 = 42,729.50/x
  3. Step 3: Cross multiply
    74,550.62x = 102,882.21 × 42,729.50
  4. Step 4: Simplify right side
    74,550.62x = 4,396,105,392.20
  5. Step 5: Solve for x
    x = 4,396,105,392.20/74,550.62
  6. Step 6: Final answer
    x = 58,968.06

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1.5x scale

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.