Home / 74,577.62-102,919.56-42,752.54

Finding the Fourth Proportional to 74,577.62, 102,919.56 and 42,752.54

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Solution

The fourth proportional to 74,577.62, 102,919.56 and 42,752.54 is: 58,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,577.62 : 102,919.56 = 42,752.54 : x
  2. Step 2: Convert to fraction form
    74,577.62/102,919.56 = 42,752.54/x
  3. Step 3: Cross multiply
    74,577.62x = 102,919.56 × 42,752.54
  4. Step 4: Simplify right side
    74,577.62x = 4,400,072,605.68
  5. Step 5: Solve for x
    x = 4,400,072,605.68/74,577.62
  6. Step 6: Final answer
    x = 58,999.91

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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.