Home / 76,381.19-114,544.44-26,447.88

Finding the Fourth Proportional to 76,381.19, 114,544.44 and 26,447.88

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Solution

The fourth proportional to 76,381.19, 114,544.44 and 26,447.88 is: 39,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,381.19 : 114,544.44 = 26,447.88 : x
  2. Step 2: Convert to fraction form
    76,381.19/114,544.44 = 26,447.88/x
  3. Step 3: Cross multiply
    76,381.19x = 114,544.44 × 26,447.88
  4. Step 4: Simplify right side
    76,381.19x = 3,029,457,603.79
  5. Step 5: Solve for x
    x = 3,029,457,603.79/76,381.19
  6. Step 6: Final answer
    x = 39,662.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.