Home / 45,918.97-68,895.77-31,266.07

Finding the Fourth Proportional to 45,918.97, 68,895.77 and 31,266.07

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Solution

The fourth proportional to 45,918.97, 68,895.77 and 31,266.07 is: 46,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.97 : 68,895.77 = 31,266.07 : x
  2. Step 2: Convert to fraction form
    45,918.97/68,895.77 = 31,266.07/x
  3. Step 3: Cross multiply
    45,918.97x = 68,895.77 × 31,266.07
  4. Step 4: Simplify right side
    45,918.97x = 2,154,099,638.95
  5. Step 5: Solve for x
    x = 2,154,099,638.95/45,918.97
  6. Step 6: Final answer
    x = 46,910.89

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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.