Home / 90,455.82-135,690.23-23,895.30

Finding the Fourth Proportional to 90,455.82, 135,690.23 and 23,895.30

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Solution

The fourth proportional to 90,455.82, 135,690.23 and 23,895.30 is: 35,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,455.82 : 135,690.23 = 23,895.30 : x
  2. Step 2: Convert to fraction form
    90,455.82/135,690.23 = 23,895.30/x
  3. Step 3: Cross multiply
    90,455.82x = 135,690.23 × 23,895.30
  4. Step 4: Simplify right side
    90,455.82x = 3,242,358,752.92
  5. Step 5: Solve for x
    x = 3,242,358,752.92/90,455.82
  6. Step 6: Final answer
    x = 35,844.67

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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.