Home / 84,566.63-126,852.08-28,408.73

Finding the Fourth Proportional to 84,566.63, 126,852.08 and 28,408.73

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Solution

The fourth proportional to 84,566.63, 126,852.08 and 28,408.73 is: 42,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,566.63 : 126,852.08 = 28,408.73 : x
  2. Step 2: Convert to fraction form
    84,566.63/126,852.08 = 28,408.73/x
  3. Step 3: Cross multiply
    84,566.63x = 126,852.08 × 28,408.73
  4. Step 4: Simplify right side
    84,566.63x = 3,603,705,714.35
  5. Step 5: Solve for x
    x = 3,603,705,714.35/84,566.63
  6. Step 6: Final answer
    x = 42,613.80

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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.