Home / 72,591.20-100,199.34-47,052.50

Finding the Fourth Proportional to 72,591.20, 100,199.34 and 47,052.50

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Solution

The fourth proportional to 72,591.20, 100,199.34 and 47,052.50 is: 64,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591.20 : 100,199.34 = 47,052.50 : x
  2. Step 2: Convert to fraction form
    72,591.20/100,199.34 = 47,052.50/x
  3. Step 3: Cross multiply
    72,591.20x = 100,199.34 × 47,052.50
  4. Step 4: Simplify right side
    72,591.20x = 4,714,629,445.35
  5. Step 5: Solve for x
    x = 4,714,629,445.35/72,591.20
  6. Step 6: Final answer
    x = 64,947.67

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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.