Home / 77,530.96-107,033.36-52,170.67

Finding the Fourth Proportional to 77,530.96, 107,033.36 and 52,170.67

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Solution

The fourth proportional to 77,530.96, 107,033.36 and 52,170.67 is: 72,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530.96 : 107,033.36 = 52,170.67 : x
  2. Step 2: Convert to fraction form
    77,530.96/107,033.36 = 52,170.67/x
  3. Step 3: Cross multiply
    77,530.96x = 107,033.36 × 52,170.67
  4. Step 4: Simplify right side
    77,530.96x = 5,584,002,103.55
  5. Step 5: Solve for x
    x = 5,584,002,103.55/77,530.96
  6. Step 6: Final answer
    x = 72,022.87

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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.