Home / 80,676.44-121,030.04-30,752.36

Finding the Fourth Proportional to 80,676.44, 121,030.04 and 30,752.36

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Solution

The fourth proportional to 80,676.44, 121,030.04 and 30,752.36 is: 46,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,676.44 : 121,030.04 = 30,752.36 : x
  2. Step 2: Convert to fraction form
    80,676.44/121,030.04 = 30,752.36/x
  3. Step 3: Cross multiply
    80,676.44x = 121,030.04 × 30,752.36
  4. Step 4: Simplify right side
    80,676.44x = 3,721,959,360.89
  5. Step 5: Solve for x
    x = 3,721,959,360.89/80,676.44
  6. Step 6: Final answer
    x = 46,134.40

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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.