Home / 89,759.73-123,986.75-67,059.28

Finding the Fourth Proportional to 89,759.73, 123,986.75 and 67,059.28

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Solution

The fourth proportional to 89,759.73, 123,986.75 and 67,059.28 is: 92,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.73 : 123,986.75 = 67,059.28 : x
  2. Step 2: Convert to fraction form
    89,759.73/123,986.75 = 67,059.28/x
  3. Step 3: Cross multiply
    89,759.73x = 123,986.75 × 67,059.28
  4. Step 4: Simplify right side
    89,759.73x = 8,314,461,539.28
  5. Step 5: Solve for x
    x = 8,314,461,539.28/89,759.73
  6. Step 6: Final answer
    x = 92,630.20

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1.5x scale

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.