Home / 70,825.06-97,738.64-38,993.96

Finding the Fourth Proportional to 70,825.06, 97,738.64 and 38,993.96

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Solution

The fourth proportional to 70,825.06, 97,738.64 and 38,993.96 is: 53,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,825.06 : 97,738.64 = 38,993.96 : x
  2. Step 2: Convert to fraction form
    70,825.06/97,738.64 = 38,993.96/x
  3. Step 3: Cross multiply
    70,825.06x = 97,738.64 × 38,993.96
  4. Step 4: Simplify right side
    70,825.06x = 3,811,216,618.61
  5. Step 5: Solve for x
    x = 3,811,216,618.61/70,825.06
  6. Step 6: Final answer
    x = 53,811.70

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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.