Home / 90,412.63-135,625.44-23,851.97

Finding the Fourth Proportional to 90,412.63, 135,625.44 and 23,851.97

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Solution

The fourth proportional to 90,412.63, 135,625.44 and 23,851.97 is: 35,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,412.63 : 135,625.44 = 23,851.97 : x
  2. Step 2: Convert to fraction form
    90,412.63/135,625.44 = 23,851.97/x
  3. Step 3: Cross multiply
    90,412.63x = 135,625.44 × 23,851.97
  4. Step 4: Simplify right side
    90,412.63x = 3,234,933,711.86
  5. Step 5: Solve for x
    x = 3,234,933,711.86/90,412.63
  6. Step 6: Final answer
    x = 35,779.67

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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.