Home / 53,615.13-80,422.69-36,731.49

Finding the Fourth Proportional to 53,615.13, 80,422.69 and 36,731.49

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Solution

The fourth proportional to 53,615.13, 80,422.69 and 36,731.49 is: 55,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.13 : 80,422.69 = 36,731.49 : x
  2. Step 2: Convert to fraction form
    53,615.13/80,422.69 = 36,731.49/x
  3. Step 3: Cross multiply
    53,615.13x = 80,422.69 × 36,731.49
  4. Step 4: Simplify right side
    53,615.13x = 2,954,045,233.51
  5. Step 5: Solve for x
    x = 2,954,045,233.51/53,615.13
  6. Step 6: Final answer
    x = 55,097.23

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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.