Home / 74,234.87-111,208.73-46,166.15

Finding the Fourth Proportional to 74,234.87, 111,208.73 and 46,166.15

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Solution

The fourth proportional to 74,234.87, 111,208.73 and 46,166.15 is: 69,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.87 : 111,208.73 = 46,166.15 : x
  2. Step 2: Convert to fraction form
    74,234.87/111,208.73 = 46,166.15/x
  3. Step 3: Cross multiply
    74,234.87x = 111,208.73 × 46,166.15
  4. Step 4: Simplify right side
    74,234.87x = 5,134,078,123.62
  5. Step 5: Solve for x
    x = 5,134,078,123.62/74,234.87
  6. Step 6: Final answer
    x = 69,159.93

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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.