Home / 53,823.08-80,735.07-18,762.68

Finding the Fourth Proportional to 53,823.08, 80,735.07 and 18,762.68

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Solution

The fourth proportional to 53,823.08, 80,735.07 and 18,762.68 is: 28,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.08 : 80,735.07 = 18,762.68 : x
  2. Step 2: Convert to fraction form
    53,823.08/80,735.07 = 18,762.68/x
  3. Step 3: Cross multiply
    53,823.08x = 80,735.07 × 18,762.68
  4. Step 4: Simplify right side
    53,823.08x = 1,514,806,283.19
  5. Step 5: Solve for x
    x = 1,514,806,283.19/53,823.08
  6. Step 6: Final answer
    x = 28,144.18

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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.