Home / 30,723.76-46,085.61-8,537.13

Finding the Fourth Proportional to 30,723.76, 46,085.61 and 8,537.13

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Solution

The fourth proportional to 30,723.76, 46,085.61 and 8,537.13 is: 12,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.76 : 46,085.61 = 8,537.13 : x
  2. Step 2: Convert to fraction form
    30,723.76/46,085.61 = 8,537.13/x
  3. Step 3: Cross multiply
    30,723.76x = 46,085.61 × 8,537.13
  4. Step 4: Simplify right side
    30,723.76x = 393,438,634.61
  5. Step 5: Solve for x
    x = 393,438,634.61/30,723.76
  6. Step 6: Final answer
    x = 12,805.68

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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.