Home / 72,415.20-108,598.44-32,409.12

Finding the Fourth Proportional to 72,415.20, 108,598.44 and 32,409.12

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Solution

The fourth proportional to 72,415.20, 108,598.44 and 32,409.12 is: 48,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,415.20 : 108,598.44 = 32,409.12 : x
  2. Step 2: Convert to fraction form
    72,415.20/108,598.44 = 32,409.12/x
  3. Step 3: Cross multiply
    72,415.20x = 108,598.44 × 32,409.12
  4. Step 4: Simplify right side
    72,415.20x = 3,519,579,873.77
  5. Step 5: Solve for x
    x = 3,519,579,873.77/72,415.20
  6. Step 6: Final answer
    x = 48,602.78

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1.5x scale

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.