Home / 84,185.95-116,177.25-45,945.79

Finding the Fourth Proportional to 84,185.95, 116,177.25 and 45,945.79

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Solution

The fourth proportional to 84,185.95, 116,177.25 and 45,945.79 is: 63,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.95 : 116,177.25 = 45,945.79 : x
  2. Step 2: Convert to fraction form
    84,185.95/116,177.25 = 45,945.79/x
  3. Step 3: Cross multiply
    84,185.95x = 116,177.25 × 45,945.79
  4. Step 4: Simplify right side
    84,185.95x = 5,337,855,531.28
  5. Step 5: Solve for x
    x = 5,337,855,531.28/84,185.95
  6. Step 6: Final answer
    x = 63,405.54

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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.