Home / 50,822.49-70,112.04-30,672.93

Finding the Fourth Proportional to 50,822.49, 70,112.04 and 30,672.93

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Solution

The fourth proportional to 50,822.49, 70,112.04 and 30,672.93 is: 42,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,822.49 : 70,112.04 = 30,672.93 : x
  2. Step 2: Convert to fraction form
    50,822.49/70,112.04 = 30,672.93/x
  3. Step 3: Cross multiply
    50,822.49x = 70,112.04 × 30,672.93
  4. Step 4: Simplify right side
    50,822.49x = 2,150,541,695.08
  5. Step 5: Solve for x
    x = 2,150,541,695.08/50,822.49
  6. Step 6: Final answer
    x = 42,314.76

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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.