Home / 100,968.04-151,374.30-48,350.44

Finding the Fourth Proportional to 100,968.04, 151,374.30 and 48,350.44

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Solution

The fourth proportional to 100,968.04, 151,374.30 and 48,350.44 is: 72,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968.04 : 151,374.30 = 48,350.44 : x
  2. Step 2: Convert to fraction form
    100,968.04/151,374.30 = 48,350.44/x
  3. Step 3: Cross multiply
    100,968.04x = 151,374.30 × 48,350.44
  4. Step 4: Simplify right side
    100,968.04x = 7,319,014,009.69
  5. Step 5: Solve for x
    x = 7,319,014,009.69/100,968.04
  6. Step 6: Final answer
    x = 72,488.42

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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.