Home / 82,835.10-114,313.74-45,109.32

Finding the Fourth Proportional to 82,835.10, 114,313.74 and 45,109.32

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Solution

The fourth proportional to 82,835.10, 114,313.74 and 45,109.32 is: 62,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.10 : 114,313.74 = 45,109.32 : x
  2. Step 2: Convert to fraction form
    82,835.10/114,313.74 = 45,109.32/x
  3. Step 3: Cross multiply
    82,835.10x = 114,313.74 × 45,109.32
  4. Step 4: Simplify right side
    82,835.10x = 5,156,615,078.06
  5. Step 5: Solve for x
    x = 5,156,615,078.06/82,835.10
  6. Step 6: Final answer
    x = 62,251.57

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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.