Home / 89,194.74-123,069.50-51,447.12

Finding the Fourth Proportional to 89,194.74, 123,069.50 and 51,447.12

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Solution

The fourth proportional to 89,194.74, 123,069.50 and 51,447.12 is: 70,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,194.74 : 123,069.50 = 51,447.12 : x
  2. Step 2: Convert to fraction form
    89,194.74/123,069.50 = 51,447.12/x
  3. Step 3: Cross multiply
    89,194.74x = 123,069.50 × 51,447.12
  4. Step 4: Simplify right side
    89,194.74x = 6,331,571,334.84
  5. Step 5: Solve for x
    x = 6,331,571,334.84/89,194.74
  6. Step 6: Final answer
    x = 70,985.93

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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.