Home / 69,745-104,663.58-32,811.88

Finding the Fourth Proportional to 69,745, 104,663.58 and 32,811.88

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Solution

The fourth proportional to 69,745, 104,663.58 and 32,811.88 is: 49,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,745 : 104,663.58 = 32,811.88 : x
  2. Step 2: Convert to fraction form
    69,745/104,663.58 = 32,811.88/x
  3. Step 3: Cross multiply
    69,745x = 104,663.58 × 32,811.88
  4. Step 4: Simplify right side
    69,745x = 3,434,208,827.33
  5. Step 5: Solve for x
    x = 3,434,208,827.33/69,745
  6. Step 6: Final answer
    x = 49,239.50

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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.