Home / 90,885.33-136,326-24,325.47

Finding the Fourth Proportional to 90,885.33, 136,326 and 24,325.47

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Solution

The fourth proportional to 90,885.33, 136,326 and 24,325.47 is: 36,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,885.33 : 136,326 = 24,325.47 : x
  2. Step 2: Convert to fraction form
    90,885.33/136,326 = 24,325.47/x
  3. Step 3: Cross multiply
    90,885.33x = 136,326 × 24,325.47
  4. Step 4: Simplify right side
    90,885.33x = 3,316,194,023.22
  5. Step 5: Solve for x
    x = 3,316,194,023.22/90,885.33
  6. Step 6: Final answer
    x = 36,487.67

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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.