Home / 90,069.76-135,092.48-23,514.56

Finding the Fourth Proportional to 90,069.76, 135,092.48 and 23,514.56

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Solution

The fourth proportional to 90,069.76, 135,092.48 and 23,514.56 is: 35,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,069.76 : 135,092.48 = 23,514.56 : x
  2. Step 2: Convert to fraction form
    90,069.76/135,092.48 = 23,514.56/x
  3. Step 3: Cross multiply
    90,069.76x = 135,092.48 × 23,514.56
  4. Step 4: Simplify right side
    90,069.76x = 3,176,640,226.51
  5. Step 5: Solve for x
    x = 3,176,640,226.51/90,069.76
  6. Step 6: Final answer
    x = 35,268.67

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1.5x scale

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.