Home / 53,065.99-79,582.09-17,520.69

Finding the Fourth Proportional to 53,065.99, 79,582.09 and 17,520.69

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Solution

The fourth proportional to 53,065.99, 79,582.09 and 17,520.69 is: 26,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,065.99 : 79,582.09 = 17,520.69 : x
  2. Step 2: Convert to fraction form
    53,065.99/79,582.09 = 17,520.69/x
  3. Step 3: Cross multiply
    53,065.99x = 79,582.09 × 17,520.69
  4. Step 4: Simplify right side
    53,065.99x = 1,394,333,128.44
  5. Step 5: Solve for x
    x = 1,394,333,128.44/53,065.99
  6. Step 6: Final answer
    x = 26,275.46

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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.