Home / 59,983.07-90,029.96-30,421.67

Finding the Fourth Proportional to 59,983.07, 90,029.96 and 30,421.67

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Solution

The fourth proportional to 59,983.07, 90,029.96 and 30,421.67 is: 45,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,983.07 : 90,029.96 = 30,421.67 : x
  2. Step 2: Convert to fraction form
    59,983.07/90,029.96 = 30,421.67/x
  3. Step 3: Cross multiply
    59,983.07x = 90,029.96 × 30,421.67
  4. Step 4: Simplify right side
    59,983.07x = 2,738,861,245.06
  5. Step 5: Solve for x
    x = 2,738,861,245.06/59,983.07
  6. Step 6: Final answer
    x = 45,660.58

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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.