Home / 53,162.69-79,759.63-15,723.75

Finding the Fourth Proportional to 53,162.69, 79,759.63 and 15,723.75

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Solution

The fourth proportional to 53,162.69, 79,759.63 and 15,723.75 is: 23,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.69 : 79,759.63 = 15,723.75 : x
  2. Step 2: Convert to fraction form
    53,162.69/79,759.63 = 15,723.75/x
  3. Step 3: Cross multiply
    53,162.69x = 79,759.63 × 15,723.75
  4. Step 4: Simplify right side
    53,162.69x = 1,254,120,482.21
  5. Step 5: Solve for x
    x = 1,254,120,482.21/53,162.69
  6. Step 6: Final answer
    x = 23,590.24

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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.