Home / 79,912.74-110,321.04-58,378.31

Finding the Fourth Proportional to 79,912.74, 110,321.04 and 58,378.31

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Solution

The fourth proportional to 79,912.74, 110,321.04 and 58,378.31 is: 80,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.74 : 110,321.04 = 58,378.31 : x
  2. Step 2: Convert to fraction form
    79,912.74/110,321.04 = 58,378.31/x
  3. Step 3: Cross multiply
    79,912.74x = 110,321.04 × 58,378.31
  4. Step 4: Simplify right side
    79,912.74x = 6,440,355,872.64
  5. Step 5: Solve for x
    x = 6,440,355,872.64/79,912.74
  6. Step 6: Final answer
    x = 80,592.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.