Home / 84,036.11-115,968.34-45,796

Finding the Fourth Proportional to 84,036.11, 115,968.34 and 45,796

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Solution

The fourth proportional to 84,036.11, 115,968.34 and 45,796 is: 63,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,036.11 : 115,968.34 = 45,796 : x
  2. Step 2: Convert to fraction form
    84,036.11/115,968.34 = 45,796/x
  3. Step 3: Cross multiply
    84,036.11x = 115,968.34 × 45,796
  4. Step 4: Simplify right side
    84,036.11x = 5,310,886,098.64
  5. Step 5: Solve for x
    x = 5,310,886,098.64/84,036.11
  6. Step 6: Final answer
    x = 63,197.67

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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.