Home / 82,675.45-114,091.66-45,881.31

Finding the Fourth Proportional to 82,675.45, 114,091.66 and 45,881.31

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Solution

The fourth proportional to 82,675.45, 114,091.66 and 45,881.31 is: 63,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675.45 : 114,091.66 = 45,881.31 : x
  2. Step 2: Convert to fraction form
    82,675.45/114,091.66 = 45,881.31/x
  3. Step 3: Cross multiply
    82,675.45x = 114,091.66 × 45,881.31
  4. Step 4: Simplify right side
    82,675.45x = 5,234,674,820.87
  5. Step 5: Solve for x
    x = 5,234,674,820.87/82,675.45
  6. Step 6: Final answer
    x = 63,315.95

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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.