Home / 53,269.26-79,916.89-17,730.51

Finding the Fourth Proportional to 53,269.26, 79,916.89 and 17,730.51

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Solution

The fourth proportional to 53,269.26, 79,916.89 and 17,730.51 is: 26,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.26 : 79,916.89 = 17,730.51 : x
  2. Step 2: Convert to fraction form
    53,269.26/79,916.89 = 17,730.51/x
  3. Step 3: Cross multiply
    53,269.26x = 79,916.89 × 17,730.51
  4. Step 4: Simplify right side
    53,269.26x = 1,416,967,217.31
  5. Step 5: Solve for x
    x = 1,416,967,217.31/53,269.26
  6. Step 6: Final answer
    x = 26,600.09

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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.