Home / 121,881.03-182,844.42-55,325.84

Finding the Fourth Proportional to 121,881.03, 182,844.42 and 55,325.84

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Solution

The fourth proportional to 121,881.03, 182,844.42 and 55,325.84 is: 82,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,881.03 : 182,844.42 = 55,325.84 : x
  2. Step 2: Convert to fraction form
    121,881.03/182,844.42 = 55,325.84/x
  3. Step 3: Cross multiply
    121,881.03x = 182,844.42 × 55,325.84
  4. Step 4: Simplify right side
    121,881.03x = 10,116,021,125.81
  5. Step 5: Solve for x
    x = 10,116,021,125.81/121,881.03
  6. Step 6: Final answer
    x = 82,999.14

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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.