Home / 53,769.48-80,643.64-51,102.36

Finding the Fourth Proportional to 53,769.48, 80,643.64 and 51,102.36

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Solution

The fourth proportional to 53,769.48, 80,643.64 and 51,102.36 is: 76,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.48 : 80,643.64 = 51,102.36 : x
  2. Step 2: Convert to fraction form
    53,769.48/80,643.64 = 51,102.36/x
  3. Step 3: Cross multiply
    53,769.48x = 80,643.64 × 51,102.36
  4. Step 4: Simplify right side
    53,769.48x = 4,121,080,322.99
  5. Step 5: Solve for x
    x = 4,121,080,322.99/53,769.48
  6. Step 6: Final answer
    x = 76,643.48

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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.