Home / 53,027.66-79,542.51-42,448.56

Finding the Fourth Proportional to 53,027.66, 79,542.51 and 42,448.56

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Solution

The fourth proportional to 53,027.66, 79,542.51 and 42,448.56 is: 63,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,027.66 : 79,542.51 = 42,448.56 : x
  2. Step 2: Convert to fraction form
    53,027.66/79,542.51 = 42,448.56/x
  3. Step 3: Cross multiply
    53,027.66x = 79,542.51 × 42,448.56
  4. Step 4: Simplify right side
    53,027.66x = 3,376,464,550.82
  5. Step 5: Solve for x
    x = 3,376,464,550.82/53,027.66
  6. Step 6: Final answer
    x = 63,673.64

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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.