Home / 54,964.83-75,851.49-31,090.99

Finding the Fourth Proportional to 54,964.83, 75,851.49 and 31,090.99

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Solution

The fourth proportional to 54,964.83, 75,851.49 and 31,090.99 is: 42,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,964.83 : 75,851.49 = 31,090.99 : x
  2. Step 2: Convert to fraction form
    54,964.83/75,851.49 = 31,090.99/x
  3. Step 3: Cross multiply
    54,964.83x = 75,851.49 × 31,090.99
  4. Step 4: Simplify right side
    54,964.83x = 2,358,297,811.37
  5. Step 5: Solve for x
    x = 2,358,297,811.37/54,964.83
  6. Step 6: Final answer
    x = 42,905.58

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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.