Home / 53,072.51-79,581.32-15,627.72

Finding the Fourth Proportional to 53,072.51, 79,581.32 and 15,627.72

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Solution

The fourth proportional to 53,072.51, 79,581.32 and 15,627.72 is: 23,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.51 : 79,581.32 = 15,627.72 : x
  2. Step 2: Convert to fraction form
    53,072.51/79,581.32 = 15,627.72/x
  3. Step 3: Cross multiply
    53,072.51x = 79,581.32 × 15,627.72
  4. Step 4: Simplify right side
    53,072.51x = 1,243,674,865.09
  5. Step 5: Solve for x
    x = 1,243,674,865.09/53,072.51
  6. Step 6: Final answer
    x = 23,433.51

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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.