Home / 82,119.78-113,325.36-44,394.02

Finding the Fourth Proportional to 82,119.78, 113,325.36 and 44,394.02

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Solution

The fourth proportional to 82,119.78, 113,325.36 and 44,394.02 is: 61,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,119.78 : 113,325.36 = 44,394.02 : x
  2. Step 2: Convert to fraction form
    82,119.78/113,325.36 = 44,394.02/x
  3. Step 3: Cross multiply
    82,119.78x = 113,325.36 × 44,394.02
  4. Step 4: Simplify right side
    82,119.78x = 5,030,968,298.35
  5. Step 5: Solve for x
    x = 5,030,968,298.35/82,119.78
  6. Step 6: Final answer
    x = 61,263.78

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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.