Home / 50,845.46-70,168.56-30,698.43

Finding the Fourth Proportional to 50,845.46, 70,168.56 and 30,698.43

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Solution

The fourth proportional to 50,845.46, 70,168.56 and 30,698.43 is: 42,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,845.46 : 70,168.56 = 30,698.43 : x
  2. Step 2: Convert to fraction form
    50,845.46/70,168.56 = 30,698.43/x
  3. Step 3: Cross multiply
    50,845.46x = 70,168.56 × 30,698.43
  4. Step 4: Simplify right side
    50,845.46x = 2,154,064,473.87
  5. Step 5: Solve for x
    x = 2,154,064,473.87/50,845.46
  6. Step 6: Final answer
    x = 42,364.93

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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.