Home / 100,922.80-151,311.30-56,563.15

Finding the Fourth Proportional to 100,922.80, 151,311.30 and 56,563.15

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Solution

The fourth proportional to 100,922.80, 151,311.30 and 56,563.15 is: 84,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922.80 : 151,311.30 = 56,563.15 : x
  2. Step 2: Convert to fraction form
    100,922.80/151,311.30 = 56,563.15/x
  3. Step 3: Cross multiply
    100,922.80x = 151,311.30 × 56,563.15
  4. Step 4: Simplify right side
    100,922.80x = 8,558,643,758.60
  5. Step 5: Solve for x
    x = 8,558,643,758.60/100,922.80
  6. Step 6: Final answer
    x = 84,803.87

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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.