Home / 61,188.28-91,771.47-38,935.56

Finding the Fourth Proportional to 61,188.28, 91,771.47 and 38,935.56

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Solution

The fourth proportional to 61,188.28, 91,771.47 and 38,935.56 is: 58,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188.28 : 91,771.47 = 38,935.56 : x
  2. Step 2: Convert to fraction form
    61,188.28/91,771.47 = 38,935.56/x
  3. Step 3: Cross multiply
    61,188.28x = 91,771.47 × 38,935.56
  4. Step 4: Simplify right side
    61,188.28x = 3,573,173,576.47
  5. Step 5: Solve for x
    x = 3,573,173,576.47/61,188.28
  6. Step 6: Final answer
    x = 58,396.37

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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.