Home / 55,396.27-76,445.88-31,522.43

Finding the Fourth Proportional to 55,396.27, 76,445.88 and 31,522.43

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Solution

The fourth proportional to 55,396.27, 76,445.88 and 31,522.43 is: 43,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.27 : 76,445.88 = 31,522.43 : x
  2. Step 2: Convert to fraction form
    55,396.27/76,445.88 = 31,522.43/x
  3. Step 3: Cross multiply
    55,396.27x = 76,445.88 × 31,522.43
  4. Step 4: Simplify right side
    55,396.27x = 2,409,759,973.99
  5. Step 5: Solve for x
    x = 2,409,759,973.99/55,396.27
  6. Step 6: Final answer
    x = 43,500.40

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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.