Home / 55,376.46-76,418.52-31,177.44

Finding the Fourth Proportional to 55,376.46, 76,418.52 and 31,177.44

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Solution

The fourth proportional to 55,376.46, 76,418.52 and 31,177.44 is: 43,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.46 : 76,418.52 = 31,177.44 : x
  2. Step 2: Convert to fraction form
    55,376.46/76,418.52 = 31,177.44/x
  3. Step 3: Cross multiply
    55,376.46x = 76,418.52 × 31,177.44
  4. Step 4: Simplify right side
    55,376.46x = 2,382,533,822.19
  5. Step 5: Solve for x
    x = 2,382,533,822.19/55,376.46
  6. Step 6: Final answer
    x = 43,024.31

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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.