Home / 85,228.96-117,604.56-51,688.48

Finding the Fourth Proportional to 85,228.96, 117,604.56 and 51,688.48

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Solution

The fourth proportional to 85,228.96, 117,604.56 and 51,688.48 is: 71,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.96 : 117,604.56 = 51,688.48 : x
  2. Step 2: Convert to fraction form
    85,228.96/117,604.56 = 51,688.48/x
  3. Step 3: Cross multiply
    85,228.96x = 117,604.56 × 51,688.48
  4. Step 4: Simplify right side
    85,228.96x = 6,078,800,947.47
  5. Step 5: Solve for x
    x = 6,078,800,947.47/85,228.96
  6. Step 6: Final answer
    x = 71,323.19

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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.