Home / 45,985.73-68,969.88-14,391.02

Finding the Fourth Proportional to 45,985.73, 68,969.88 and 14,391.02

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Solution

The fourth proportional to 45,985.73, 68,969.88 and 14,391.02 is: 21,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.73 : 68,969.88 = 14,391.02 : x
  2. Step 2: Convert to fraction form
    45,985.73/68,969.88 = 14,391.02/x
  3. Step 3: Cross multiply
    45,985.73x = 68,969.88 × 14,391.02
  4. Step 4: Simplify right side
    45,985.73x = 992,546,706.95
  5. Step 5: Solve for x
    x = 992,546,706.95/45,985.73
  6. Step 6: Final answer
    x = 21,583.80

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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.