Home / 50,928.16-76,391.04-30,000.92

Finding the Fourth Proportional to 50,928.16, 76,391.04 and 30,000.92

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Solution

The fourth proportional to 50,928.16, 76,391.04 and 30,000.92 is: 45,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.16 : 76,391.04 = 30,000.92 : x
  2. Step 2: Convert to fraction form
    50,928.16/76,391.04 = 30,000.92/x
  3. Step 3: Cross multiply
    50,928.16x = 76,391.04 × 30,000.92
  4. Step 4: Simplify right side
    50,928.16x = 2,291,801,479.76
  5. Step 5: Solve for x
    x = 2,291,801,479.76/50,928.16
  6. Step 6: Final answer
    x = 45,000.67

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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.