Home / 72,856.20-100,548.90-44,190.84

Finding the Fourth Proportional to 72,856.20, 100,548.90 and 44,190.84

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Solution

The fourth proportional to 72,856.20, 100,548.90 and 44,190.84 is: 60,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,856.20 : 100,548.90 = 44,190.84 : x
  2. Step 2: Convert to fraction form
    72,856.20/100,548.90 = 44,190.84/x
  3. Step 3: Cross multiply
    72,856.20x = 100,548.90 × 44,190.84
  4. Step 4: Simplify right side
    72,856.20x = 4,443,340,352.08
  5. Step 5: Solve for x
    x = 4,443,340,352.08/72,856.20
  6. Step 6: Final answer
    x = 60,987.81

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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.