Home / 48,440.46-72,664.86-13,380.12

Finding the Fourth Proportional to 48,440.46, 72,664.86 and 13,380.12

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Solution

The fourth proportional to 48,440.46, 72,664.86 and 13,380.12 is: 20,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,440.46 : 72,664.86 = 13,380.12 : x
  2. Step 2: Convert to fraction form
    48,440.46/72,664.86 = 13,380.12/x
  3. Step 3: Cross multiply
    48,440.46x = 72,664.86 × 13,380.12
  4. Step 4: Simplify right side
    48,440.46x = 972,264,546.58
  5. Step 5: Solve for x
    x = 972,264,546.58/48,440.46
  6. Step 6: Final answer
    x = 20,071.33

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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.