Home / 84,731.03-116,928.96-47,005.28

Finding the Fourth Proportional to 84,731.03, 116,928.96 and 47,005.28

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Solution

The fourth proportional to 84,731.03, 116,928.96 and 47,005.28 is: 64,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.03 : 116,928.96 = 47,005.28 : x
  2. Step 2: Convert to fraction form
    84,731.03/116,928.96 = 47,005.28/x
  3. Step 3: Cross multiply
    84,731.03x = 116,928.96 × 47,005.28
  4. Step 4: Simplify right side
    84,731.03x = 5,496,278,504.91
  5. Step 5: Solve for x
    x = 5,496,278,504.91/84,731.03
  6. Step 6: Final answer
    x = 64,867.36

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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.