Home / 55,048.90-75,969.27-31,175.06

Finding the Fourth Proportional to 55,048.90, 75,969.27 and 31,175.06

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Solution

The fourth proportional to 55,048.90, 75,969.27 and 31,175.06 is: 43,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.90 : 75,969.27 = 31,175.06 : x
  2. Step 2: Convert to fraction form
    55,048.90/75,969.27 = 31,175.06/x
  3. Step 3: Cross multiply
    55,048.90x = 75,969.27 × 31,175.06
  4. Step 4: Simplify right side
    55,048.90x = 2,368,346,550.41
  5. Step 5: Solve for x
    x = 2,368,346,550.41/55,048.90
  6. Step 6: Final answer
    x = 43,022.60

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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.