Home / 69,635.44-96,134.80-53,370.64

Finding the Fourth Proportional to 69,635.44, 96,134.80 and 53,370.64

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Solution

The fourth proportional to 69,635.44, 96,134.80 and 53,370.64 is: 73,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,635.44 : 96,134.80 = 53,370.64 : x
  2. Step 2: Convert to fraction form
    69,635.44/96,134.80 = 53,370.64/x
  3. Step 3: Cross multiply
    69,635.44x = 96,134.80 × 53,370.64
  4. Step 4: Simplify right side
    69,635.44x = 5,130,775,802.27
  5. Step 5: Solve for x
    x = 5,130,775,802.27/69,635.44
  6. Step 6: Final answer
    x = 73,680.53

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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.