Home / 76,485.06-114,630.23-43,223.67

Finding the Fourth Proportional to 76,485.06, 114,630.23 and 43,223.67

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Solution

The fourth proportional to 76,485.06, 114,630.23 and 43,223.67 is: 64,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.06 : 114,630.23 = 43,223.67 : x
  2. Step 2: Convert to fraction form
    76,485.06/114,630.23 = 43,223.67/x
  3. Step 3: Cross multiply
    76,485.06x = 114,630.23 × 43,223.67
  4. Step 4: Simplify right side
    76,485.06x = 4,954,739,233.54
  5. Step 5: Solve for x
    x = 4,954,739,233.54/76,485.06
  6. Step 6: Final answer
    x = 64,780.49

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1.5x scale

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.