Home / 80,673.06-121,024.98-30,748.98

Finding the Fourth Proportional to 80,673.06, 121,024.98 and 30,748.98

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Solution

The fourth proportional to 80,673.06, 121,024.98 and 30,748.98 is: 46,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,673.06 : 121,024.98 = 30,748.98 : x
  2. Step 2: Convert to fraction form
    80,673.06/121,024.98 = 30,748.98/x
  3. Step 3: Cross multiply
    80,673.06x = 121,024.98 × 30,748.98
  4. Step 4: Simplify right side
    80,673.06x = 3,721,394,535.78
  5. Step 5: Solve for x
    x = 3,721,394,535.78/80,673.06
  6. Step 6: Final answer
    x = 46,129.33

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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.