Home / 76,313.22-114,405.23-28,902.18

Finding the Fourth Proportional to 76,313.22, 114,405.23 and 28,902.18

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Solution

The fourth proportional to 76,313.22, 114,405.23 and 28,902.18 is: 43,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,313.22 : 114,405.23 = 28,902.18 : x
  2. Step 2: Convert to fraction form
    76,313.22/114,405.23 = 28,902.18/x
  3. Step 3: Cross multiply
    76,313.22x = 114,405.23 × 28,902.18
  4. Step 4: Simplify right side
    76,313.22x = 3,306,560,405.89
  5. Step 5: Solve for x
    x = 3,306,560,405.89/76,313.22
  6. Step 6: Final answer
    x = 43,328.80

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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.