Home / 55,743.06-76,939.20-34,238.01

Finding the Fourth Proportional to 55,743.06, 76,939.20 and 34,238.01

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Solution

The fourth proportional to 55,743.06, 76,939.20 and 34,238.01 is: 47,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.06 : 76,939.20 = 34,238.01 : x
  2. Step 2: Convert to fraction form
    55,743.06/76,939.20 = 34,238.01/x
  3. Step 3: Cross multiply
    55,743.06x = 76,939.20 × 34,238.01
  4. Step 4: Simplify right side
    55,743.06x = 2,634,245,098.99
  5. Step 5: Solve for x
    x = 2,634,245,098.99/55,743.06
  6. Step 6: Final answer
    x = 47,256.92

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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.