Home / 53,894.82-80,735.07-42,153.06

Finding the Fourth Proportional to 53,894.82, 80,735.07 and 42,153.06

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Solution

The fourth proportional to 53,894.82, 80,735.07 and 42,153.06 is: 63,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.82 : 80,735.07 = 42,153.06 : x
  2. Step 2: Convert to fraction form
    53,894.82/80,735.07 = 42,153.06/x
  3. Step 3: Cross multiply
    53,894.82x = 80,735.07 × 42,153.06
  4. Step 4: Simplify right side
    53,894.82x = 3,403,230,249.81
  5. Step 5: Solve for x
    x = 3,403,230,249.81/53,894.82
  6. Step 6: Final answer
    x = 63,145.78

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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.