Home / 89,338.70-123,290-50,573.46

Finding the Fourth Proportional to 89,338.70, 123,290 and 50,573.46

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Solution

The fourth proportional to 89,338.70, 123,290 and 50,573.46 is: 69,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338.70 : 123,290 = 50,573.46 : x
  2. Step 2: Convert to fraction form
    89,338.70/123,290 = 50,573.46/x
  3. Step 3: Cross multiply
    89,338.70x = 123,290 × 50,573.46
  4. Step 4: Simplify right side
    89,338.70x = 6,235,201,883.40
  5. Step 5: Solve for x
    x = 6,235,201,883.40/89,338.70
  6. Step 6: Final answer
    x = 69,792.84

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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.