Home / 104,621.04-156,721.44-48,382.32

Finding the Fourth Proportional to 104,621.04, 156,721.44 and 48,382.32

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Solution

The fourth proportional to 104,621.04, 156,721.44 and 48,382.32 is: 72,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.04 : 156,721.44 = 48,382.32 : x
  2. Step 2: Convert to fraction form
    104,621.04/156,721.44 = 48,382.32/x
  3. Step 3: Cross multiply
    104,621.04x = 156,721.44 × 48,382.32
  4. Step 4: Simplify right side
    104,621.04x = 7,582,546,860.94
  5. Step 5: Solve for x
    x = 7,582,546,860.94/104,621.04
  6. Step 6: Final answer
    x = 72,476.31

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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.