Home / 54,665.77-75,435.97-30,455.68

Finding the Fourth Proportional to 54,665.77, 75,435.97 and 30,455.68

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Solution

The fourth proportional to 54,665.77, 75,435.97 and 30,455.68 is: 42,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.77 : 75,435.97 = 30,455.68 : x
  2. Step 2: Convert to fraction form
    54,665.77/75,435.97 = 30,455.68/x
  3. Step 3: Cross multiply
    54,665.77x = 75,435.97 × 30,455.68
  4. Step 4: Simplify right side
    54,665.77x = 2,297,453,762.81
  5. Step 5: Solve for x
    x = 2,297,453,762.81/54,665.77
  6. Step 6: Final answer
    x = 42,027.28

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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.