Home / 80,162.27-110,606.69-48,330.48

Finding the Fourth Proportional to 80,162.27, 110,606.69 and 48,330.48

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Solution

The fourth proportional to 80,162.27, 110,606.69 and 48,330.48 is: 66,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,162.27 : 110,606.69 = 48,330.48 : x
  2. Step 2: Convert to fraction form
    80,162.27/110,606.69 = 48,330.48/x
  3. Step 3: Cross multiply
    80,162.27x = 110,606.69 × 48,330.48
  4. Step 4: Simplify right side
    80,162.27x = 5,345,674,539.74
  5. Step 5: Solve for x
    x = 5,345,674,539.74/80,162.27
  6. Step 6: Final answer
    x = 66,685.67

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1.5x scale

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.