Home / 61,193.28-91,784.16-23,771.20

Finding the Fourth Proportional to 61,193.28, 91,784.16 and 23,771.20

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Solution

The fourth proportional to 61,193.28, 91,784.16 and 23,771.20 is: 35,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.28 : 91,784.16 = 23,771.20 : x
  2. Step 2: Convert to fraction form
    61,193.28/91,784.16 = 23,771.20/x
  3. Step 3: Cross multiply
    61,193.28x = 91,784.16 × 23,771.20
  4. Step 4: Simplify right side
    61,193.28x = 2,181,819,624.19
  5. Step 5: Solve for x
    x = 2,181,819,624.19/61,193.28
  6. Step 6: Final answer
    x = 35,654.56

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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.