Home / 74,306.78-102,550.56-42,469.62

Finding the Fourth Proportional to 74,306.78, 102,550.56 and 42,469.62

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Solution

The fourth proportional to 74,306.78, 102,550.56 and 42,469.62 is: 58,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306.78 : 102,550.56 = 42,469.62 : x
  2. Step 2: Convert to fraction form
    74,306.78/102,550.56 = 42,469.62/x
  3. Step 3: Cross multiply
    74,306.78x = 102,550.56 × 42,469.62
  4. Step 4: Simplify right side
    74,306.78x = 4,355,283,313.99
  5. Step 5: Solve for x
    x = 4,355,283,313.99/74,306.78
  6. Step 6: Final answer
    x = 58,612.19

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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.