Home / 70,295.32-105,431.82-32,881.36

Finding the Fourth Proportional to 70,295.32, 105,431.82 and 32,881.36

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Solution

The fourth proportional to 70,295.32, 105,431.82 and 32,881.36 is: 49,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.32 : 105,431.82 = 32,881.36 : x
  2. Step 2: Convert to fraction form
    70,295.32/105,431.82 = 32,881.36/x
  3. Step 3: Cross multiply
    70,295.32x = 105,431.82 × 32,881.36
  4. Step 4: Simplify right side
    70,295.32x = 3,466,741,628.88
  5. Step 5: Solve for x
    x = 3,466,741,628.88/70,295.32
  6. Step 6: Final answer
    x = 49,316.82

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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.