Home / 87,039.42-120,114.18-49,313.67

Finding the Fourth Proportional to 87,039.42, 120,114.18 and 49,313.67

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Solution

The fourth proportional to 87,039.42, 120,114.18 and 49,313.67 is: 68,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,039.42 : 120,114.18 = 49,313.67 : x
  2. Step 2: Convert to fraction form
    87,039.42/120,114.18 = 49,313.67/x
  3. Step 3: Cross multiply
    87,039.42x = 120,114.18 × 49,313.67
  4. Step 4: Simplify right side
    87,039.42x = 5,923,271,034.84
  5. Step 5: Solve for x
    x = 5,923,271,034.84/87,039.42
  6. Step 6: Final answer
    x = 68,052.74

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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.