Home / 55,394.96-76,438.04-31,522.05

Finding the Fourth Proportional to 55,394.96, 76,438.04 and 31,522.05

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Solution

The fourth proportional to 55,394.96, 76,438.04 and 31,522.05 is: 43,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.96 : 76,438.04 = 31,522.05 : x
  2. Step 2: Convert to fraction form
    55,394.96/76,438.04 = 31,522.05/x
  3. Step 3: Cross multiply
    55,394.96x = 76,438.04 × 31,522.05
  4. Step 4: Simplify right side
    55,394.96x = 2,409,483,561.17
  5. Step 5: Solve for x
    x = 2,409,483,561.17/55,394.96
  6. Step 6: Final answer
    x = 43,496.44

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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.