Home / 65,833.27-90,849.78-35,618.50

Finding the Fourth Proportional to 65,833.27, 90,849.78 and 35,618.50

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Solution

The fourth proportional to 65,833.27, 90,849.78 and 35,618.50 is: 49,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,833.27 : 90,849.78 = 35,618.50 : x
  2. Step 2: Convert to fraction form
    65,833.27/90,849.78 = 35,618.50/x
  3. Step 3: Cross multiply
    65,833.27x = 90,849.78 × 35,618.50
  4. Step 4: Simplify right side
    65,833.27x = 3,235,932,888.93
  5. Step 5: Solve for x
    x = 3,235,932,888.93/65,833.27
  6. Step 6: Final answer
    x = 49,153.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.