Home / 55,080.23-76,010.80-31,208.52

Finding the Fourth Proportional to 55,080.23, 76,010.80 and 31,208.52

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Solution

The fourth proportional to 55,080.23, 76,010.80 and 31,208.52 is: 43,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.23 : 76,010.80 = 31,208.52 : x
  2. Step 2: Convert to fraction form
    55,080.23/76,010.80 = 31,208.52/x
  3. Step 3: Cross multiply
    55,080.23x = 76,010.80 × 31,208.52
  4. Step 4: Simplify right side
    55,080.23x = 2,372,184,493.99
  5. Step 5: Solve for x
    x = 2,372,184,493.99/55,080.23
  6. Step 6: Final answer
    x = 43,067.80

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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.