Home / 60,928.12-91,419.42-38,735.56

Finding the Fourth Proportional to 60,928.12, 91,419.42 and 38,735.56

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Solution

The fourth proportional to 60,928.12, 91,419.42 and 38,735.56 is: 58,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,928.12 : 91,419.42 = 38,735.56 : x
  2. Step 2: Convert to fraction form
    60,928.12/91,419.42 = 38,735.56/x
  3. Step 3: Cross multiply
    60,928.12x = 91,419.42 × 38,735.56
  4. Step 4: Simplify right side
    60,928.12x = 3,541,182,428.58
  5. Step 5: Solve for x
    x = 3,541,182,428.58/60,928.12
  6. Step 6: Final answer
    x = 58,120.66

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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.