Home / 55,175.06-76,218.44-53,126.79

Finding the Fourth Proportional to 55,175.06, 76,218.44 and 53,126.79

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Solution

The fourth proportional to 55,175.06, 76,218.44 and 53,126.79 is: 73,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.06 : 76,218.44 = 53,126.79 : x
  2. Step 2: Convert to fraction form
    55,175.06/76,218.44 = 53,126.79/x
  3. Step 3: Cross multiply
    55,175.06x = 76,218.44 × 53,126.79
  4. Step 4: Simplify right side
    55,175.06x = 4,049,240,790.37
  5. Step 5: Solve for x
    x = 4,049,240,790.37/55,175.06
  6. Step 6: Final answer
    x = 73,388.98

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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.