Home / 112,744.64-155,579.04-62,442.56

Finding the Fourth Proportional to 112,744.64, 155,579.04 and 62,442.56

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Solution

The fourth proportional to 112,744.64, 155,579.04 and 62,442.56 is: 86,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.64 : 155,579.04 = 62,442.56 : x
  2. Step 2: Convert to fraction form
    112,744.64/155,579.04 = 62,442.56/x
  3. Step 3: Cross multiply
    112,744.64x = 155,579.04 × 62,442.56
  4. Step 4: Simplify right side
    112,744.64x = 9,714,753,539.94
  5. Step 5: Solve for x
    x = 9,714,753,539.94/112,744.64
  6. Step 6: Final answer
    x = 86,165.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.