Home / 54,942.72-75,808.35-31,064.19

Finding the Fourth Proportional to 54,942.72, 75,808.35 and 31,064.19

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Solution

The fourth proportional to 54,942.72, 75,808.35 and 31,064.19 is: 42,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.72 : 75,808.35 = 31,064.19 : x
  2. Step 2: Convert to fraction form
    54,942.72/75,808.35 = 31,064.19/x
  3. Step 3: Cross multiply
    54,942.72x = 75,808.35 × 31,064.19
  4. Step 4: Simplify right side
    54,942.72x = 2,354,924,987.99
  5. Step 5: Solve for x
    x = 2,354,924,987.99/54,942.72
  6. Step 6: Final answer
    x = 42,861.46

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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.