Home / 72,861.68-100,556.70-44,586.20

Finding the Fourth Proportional to 72,861.68, 100,556.70 and 44,586.20

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Solution

The fourth proportional to 72,861.68, 100,556.70 and 44,586.20 is: 61,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,861.68 : 100,556.70 = 44,586.20 : x
  2. Step 2: Convert to fraction form
    72,861.68/100,556.70 = 44,586.20/x
  3. Step 3: Cross multiply
    72,861.68x = 100,556.70 × 44,586.20
  4. Step 4: Simplify right side
    72,861.68x = 4,483,441,137.54
  5. Step 5: Solve for x
    x = 4,483,441,137.54/72,861.68
  6. Step 6: Final answer
    x = 61,533.60

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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.