Home / 57,960.88-79,981.60-35,297.36

Finding the Fourth Proportional to 57,960.88, 79,981.60 and 35,297.36

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Solution

The fourth proportional to 57,960.88, 79,981.60 and 35,297.36 is: 48,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.88 : 79,981.60 = 35,297.36 : x
  2. Step 2: Convert to fraction form
    57,960.88/79,981.60 = 35,297.36/x
  3. Step 3: Cross multiply
    57,960.88x = 79,981.60 × 35,297.36
  4. Step 4: Simplify right side
    57,960.88x = 2,823,139,328.58
  5. Step 5: Solve for x
    x = 2,823,139,328.58/57,960.88
  6. Step 6: Final answer
    x = 48,707.67

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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.