Home / 76,357.96-114,323.23-57,579.22

Finding the Fourth Proportional to 76,357.96, 114,323.23 and 57,579.22

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Solution

The fourth proportional to 76,357.96, 114,323.23 and 57,579.22 is: 86,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,357.96 : 114,323.23 = 57,579.22 : x
  2. Step 2: Convert to fraction form
    76,357.96/114,323.23 = 57,579.22/x
  3. Step 3: Cross multiply
    76,357.96x = 114,323.23 × 57,579.22
  4. Step 4: Simplify right side
    76,357.96x = 6,582,642,626.16
  5. Step 5: Solve for x
    x = 6,582,642,626.16/76,357.96
  6. Step 6: Final answer
    x = 86,207.68

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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.