Home / 90,938.96-136,416.44-27,773.34

Finding the Fourth Proportional to 90,938.96, 136,416.44 and 27,773.34

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Solution

The fourth proportional to 90,938.96, 136,416.44 and 27,773.34 is: 41,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938.96 : 136,416.44 = 27,773.34 : x
  2. Step 2: Convert to fraction form
    90,938.96/136,416.44 = 27,773.34/x
  3. Step 3: Cross multiply
    90,938.96x = 136,416.44 × 27,773.34
  4. Step 4: Simplify right side
    90,938.96x = 3,788,740,169.71
  5. Step 5: Solve for x
    x = 3,788,740,169.71/90,938.96
  6. Step 6: Final answer
    x = 41,662.45

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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.