Home / 65,934.88-90,989.60-35,719.52

Finding the Fourth Proportional to 65,934.88, 90,989.60 and 35,719.52

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Solution

The fourth proportional to 65,934.88, 90,989.60 and 35,719.52 is: 49,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.88 : 90,989.60 = 35,719.52 : x
  2. Step 2: Convert to fraction form
    65,934.88/90,989.60 = 35,719.52/x
  3. Step 3: Cross multiply
    65,934.88x = 90,989.60 × 35,719.52
  4. Step 4: Simplify right side
    65,934.88x = 3,250,104,836.99
  5. Step 5: Solve for x
    x = 3,250,104,836.99/65,934.88
  6. Step 6: Final answer
    x = 49,292.65

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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.