Home / 48,761.58-73,145.10-13,698.50

Finding the Fourth Proportional to 48,761.58, 73,145.10 and 13,698.50

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Solution

The fourth proportional to 48,761.58, 73,145.10 and 13,698.50 is: 20,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.58 : 73,145.10 = 13,698.50 : x
  2. Step 2: Convert to fraction form
    48,761.58/73,145.10 = 13,698.50/x
  3. Step 3: Cross multiply
    48,761.58x = 73,145.10 × 13,698.50
  4. Step 4: Simplify right side
    48,761.58x = 1,001,978,152.35
  5. Step 5: Solve for x
    x = 1,001,978,152.35/48,761.58
  6. Step 6: Final answer
    x = 20,548.52

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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.