Home / 77,186.82-106,519.74-43,195.06

Finding the Fourth Proportional to 77,186.82, 106,519.74 and 43,195.06

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Solution

The fourth proportional to 77,186.82, 106,519.74 and 43,195.06 is: 59,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.82 : 106,519.74 = 43,195.06 : x
  2. Step 2: Convert to fraction form
    77,186.82/106,519.74 = 43,195.06/x
  3. Step 3: Cross multiply
    77,186.82x = 106,519.74 × 43,195.06
  4. Step 4: Simplify right side
    77,186.82x = 4,601,126,560.48
  5. Step 5: Solve for x
    x = 4,601,126,560.48/77,186.82
  6. Step 6: Final answer
    x = 59,610.26

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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.