Home / 80,000.84-120,076.59-40,586.24

Finding the Fourth Proportional to 80,000.84, 120,076.59 and 40,586.24

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Solution

The fourth proportional to 80,000.84, 120,076.59 and 40,586.24 is: 60,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,000.84 : 120,076.59 = 40,586.24 : x
  2. Step 2: Convert to fraction form
    80,000.84/120,076.59 = 40,586.24/x
  3. Step 3: Cross multiply
    80,000.84x = 120,076.59 × 40,586.24
  4. Step 4: Simplify right side
    80,000.84x = 4,873,457,300.12
  5. Step 5: Solve for x
    x = 4,873,457,300.12/80,000.84
  6. Step 6: Final answer
    x = 60,917.58

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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.