Home / 81,820.50-122,604.96-48,474.24

Finding the Fourth Proportional to 81,820.50, 122,604.96 and 48,474.24

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Solution

The fourth proportional to 81,820.50, 122,604.96 and 48,474.24 is: 72,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,820.50 : 122,604.96 = 48,474.24 : x
  2. Step 2: Convert to fraction form
    81,820.50/122,604.96 = 48,474.24/x
  3. Step 3: Cross multiply
    81,820.50x = 122,604.96 × 48,474.24
  4. Step 4: Simplify right side
    81,820.50x = 5,943,182,256.23
  5. Step 5: Solve for x
    x = 5,943,182,256.23/81,820.50
  6. Step 6: Final answer
    x = 72,636.84

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1.5x scale

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.