Home / 76,218.73-105,196.55-43,974.17

Finding the Fourth Proportional to 76,218.73, 105,196.55 and 43,974.17

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Solution

The fourth proportional to 76,218.73, 105,196.55 and 43,974.17 is: 60,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218.73 : 105,196.55 = 43,974.17 : x
  2. Step 2: Convert to fraction form
    76,218.73/105,196.55 = 43,974.17/x
  3. Step 3: Cross multiply
    76,218.73x = 105,196.55 × 43,974.17
  4. Step 4: Simplify right side
    76,218.73x = 4,625,930,973.11
  5. Step 5: Solve for x
    x = 4,625,930,973.11/76,218.73
  6. Step 6: Final answer
    x = 60,692.84

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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.