Home / 55,372.35-76,421.15-31,494.41

Finding the Fourth Proportional to 55,372.35, 76,421.15 and 31,494.41

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Solution

The fourth proportional to 55,372.35, 76,421.15 and 31,494.41 is: 43,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.35 : 76,421.15 = 31,494.41 : x
  2. Step 2: Convert to fraction form
    55,372.35/76,421.15 = 31,494.41/x
  3. Step 3: Cross multiply
    55,372.35x = 76,421.15 × 31,494.41
  4. Step 4: Simplify right side
    55,372.35x = 2,406,839,064.35
  5. Step 5: Solve for x
    x = 2,406,839,064.35/55,372.35
  6. Step 6: Final answer
    x = 43,466.44

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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.