Home / 55,400.58-82,968.42-31,955.94

Finding the Fourth Proportional to 55,400.58, 82,968.42 and 31,955.94

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Solution

The fourth proportional to 55,400.58, 82,968.42 and 31,955.94 is: 47,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.58 : 82,968.42 = 31,955.94 : x
  2. Step 2: Convert to fraction form
    55,400.58/82,968.42 = 31,955.94/x
  3. Step 3: Cross multiply
    55,400.58x = 82,968.42 × 31,955.94
  4. Step 4: Simplify right side
    55,400.58x = 2,651,333,851.41
  5. Step 5: Solve for x
    x = 2,651,333,851.41/55,400.58
  6. Step 6: Final answer
    x = 47,857.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.