Home / 53,708.76-80,564.49-14,265.81

Finding the Fourth Proportional to 53,708.76, 80,564.49 and 14,265.81

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Solution

The fourth proportional to 53,708.76, 80,564.49 and 14,265.81 is: 21,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.76 : 80,564.49 = 14,265.81 : x
  2. Step 2: Convert to fraction form
    53,708.76/80,564.49 = 14,265.81/x
  3. Step 3: Cross multiply
    53,708.76x = 80,564.49 × 14,265.81
  4. Step 4: Simplify right side
    53,708.76x = 1,149,317,707.09
  5. Step 5: Solve for x
    x = 1,149,317,707.09/53,708.76
  6. Step 6: Final answer
    x = 21,399.07

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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.