Home / 72,885.72-100,568.94-41,047.80

Finding the Fourth Proportional to 72,885.72, 100,568.94 and 41,047.80

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Solution

The fourth proportional to 72,885.72, 100,568.94 and 41,047.80 is: 56,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,885.72 : 100,568.94 = 41,047.80 : x
  2. Step 2: Convert to fraction form
    72,885.72/100,568.94 = 41,047.80/x
  3. Step 3: Cross multiply
    72,885.72x = 100,568.94 × 41,047.80
  4. Step 4: Simplify right side
    72,885.72x = 4,128,133,735.33
  5. Step 5: Solve for x
    x = 4,128,133,735.33/72,885.72
  6. Step 6: Final answer
    x = 56,638.44

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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.