Home / 76,867.07-106,125.89-48,225.96

Finding the Fourth Proportional to 76,867.07, 106,125.89 and 48,225.96

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Solution

The fourth proportional to 76,867.07, 106,125.89 and 48,225.96 is: 66,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,867.07 : 106,125.89 = 48,225.96 : x
  2. Step 2: Convert to fraction form
    76,867.07/106,125.89 = 48,225.96/x
  3. Step 3: Cross multiply
    76,867.07x = 106,125.89 × 48,225.96
  4. Step 4: Simplify right side
    76,867.07x = 5,118,022,684.97
  5. Step 5: Solve for x
    x = 5,118,022,684.97/76,867.07
  6. Step 6: Final answer
    x = 66,582.78

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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.