Home / 53,643.09-74,027.58-29,769.81

Finding the Fourth Proportional to 53,643.09, 74,027.58 and 29,769.81

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Solution

The fourth proportional to 53,643.09, 74,027.58 and 29,769.81 is: 41,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.09 : 74,027.58 = 29,769.81 : x
  2. Step 2: Convert to fraction form
    53,643.09/74,027.58 = 29,769.81/x
  3. Step 3: Cross multiply
    53,643.09x = 74,027.58 × 29,769.81
  4. Step 4: Simplify right side
    53,643.09x = 2,203,786,991.36
  5. Step 5: Solve for x
    x = 2,203,786,991.36/53,643.09
  6. Step 6: Final answer
    x = 41,082.40

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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.