Home / 55,402.27-76,446.23-31,529.35

Finding the Fourth Proportional to 55,402.27, 76,446.23 and 31,529.35

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Solution

The fourth proportional to 55,402.27, 76,446.23 and 31,529.35 is: 43,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.27 : 76,446.23 = 31,529.35 : x
  2. Step 2: Convert to fraction form
    55,402.27/76,446.23 = 31,529.35/x
  3. Step 3: Cross multiply
    55,402.27x = 76,446.23 × 31,529.35
  4. Step 4: Simplify right side
    55,402.27x = 2,410,299,941.85
  5. Step 5: Solve for x
    x = 2,410,299,941.85/55,402.27
  6. Step 6: Final answer
    x = 43,505.44

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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.