Home / 81,016.52-111,826.27-47,032.64

Finding the Fourth Proportional to 81,016.52, 111,826.27 and 47,032.64

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Solution

The fourth proportional to 81,016.52, 111,826.27 and 47,032.64 is: 64,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,016.52 : 111,826.27 = 47,032.64 : x
  2. Step 2: Convert to fraction form
    81,016.52/111,826.27 = 47,032.64/x
  3. Step 3: Cross multiply
    81,016.52x = 111,826.27 × 47,032.64
  4. Step 4: Simplify right side
    81,016.52x = 5,259,484,464.29
  5. Step 5: Solve for x
    x = 5,259,484,464.29/81,016.52
  6. Step 6: Final answer
    x = 64,918.67

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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.