Home / 69,378.48-104,122.44-35,643.15

Finding the Fourth Proportional to 69,378.48, 104,122.44 and 35,643.15

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Solution

The fourth proportional to 69,378.48, 104,122.44 and 35,643.15 is: 53,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,378.48 : 104,122.44 = 35,643.15 : x
  2. Step 2: Convert to fraction form
    69,378.48/104,122.44 = 35,643.15/x
  3. Step 3: Cross multiply
    69,378.48x = 104,122.44 × 35,643.15
  4. Step 4: Simplify right side
    69,378.48x = 3,711,251,747.29
  5. Step 5: Solve for x
    x = 3,711,251,747.29/69,378.48
  6. Step 6: Final answer
    x = 53,492.84

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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.