Home / 72,440.28-108,682.10-48,842.44

Finding the Fourth Proportional to 72,440.28, 108,682.10 and 48,842.44

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Solution

The fourth proportional to 72,440.28, 108,682.10 and 48,842.44 is: 73,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.28 : 108,682.10 = 48,842.44 : x
  2. Step 2: Convert to fraction form
    72,440.28/108,682.10 = 48,842.44/x
  3. Step 3: Cross multiply
    72,440.28x = 108,682.10 × 48,842.44
  4. Step 4: Simplify right side
    72,440.28x = 5,308,298,948.32
  5. Step 5: Solve for x
    x = 5,308,298,948.32/72,440.28
  6. Step 6: Final answer
    x = 73,278.28

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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.