Home / 48,848.40-73,272.60-11,912.40

Finding the Fourth Proportional to 48,848.40, 73,272.60 and 11,912.40

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Solution

The fourth proportional to 48,848.40, 73,272.60 and 11,912.40 is: 17,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.40 : 73,272.60 = 11,912.40 : x
  2. Step 2: Convert to fraction form
    48,848.40/73,272.60 = 11,912.40/x
  3. Step 3: Cross multiply
    48,848.40x = 73,272.60 × 11,912.40
  4. Step 4: Simplify right side
    48,848.40x = 872,852,520.24
  5. Step 5: Solve for x
    x = 872,852,520.24/48,848.40
  6. Step 6: Final answer
    x = 17,868.60

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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.