Home / 127,369.06-175,740.03-79,014.49

Finding the Fourth Proportional to 127,369.06, 175,740.03 and 79,014.49

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Solution

The fourth proportional to 127,369.06, 175,740.03 and 79,014.49 is: 109,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,369.06 : 175,740.03 = 79,014.49 : x
  2. Step 2: Convert to fraction form
    127,369.06/175,740.03 = 79,014.49/x
  3. Step 3: Cross multiply
    127,369.06x = 175,740.03 × 79,014.49
  4. Step 4: Simplify right side
    127,369.06x = 13,886,008,403.68
  5. Step 5: Solve for x
    x = 13,886,008,403.68/127,369.06
  6. Step 6: Final answer
    x = 109,021.84

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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.