Home / 50,903.18-70,246.31-28,245.62

Finding the Fourth Proportional to 50,903.18, 70,246.31 and 28,245.62

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Solution

The fourth proportional to 50,903.18, 70,246.31 and 28,245.62 is: 38,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,903.18 : 70,246.31 = 28,245.62 : x
  2. Step 2: Convert to fraction form
    50,903.18/70,246.31 = 28,245.62/x
  3. Step 3: Cross multiply
    50,903.18x = 70,246.31 × 28,245.62
  4. Step 4: Simplify right side
    50,903.18x = 1,984,150,613.05
  5. Step 5: Solve for x
    x = 1,984,150,613.05/50,903.18
  6. Step 6: Final answer
    x = 38,978.91

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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.