Home / 84,771.68-116,982.56-46,531.20

Finding the Fourth Proportional to 84,771.68, 116,982.56 and 46,531.20

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Solution

The fourth proportional to 84,771.68, 116,982.56 and 46,531.20 is: 64,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,771.68 : 116,982.56 = 46,531.20 : x
  2. Step 2: Convert to fraction form
    84,771.68/116,982.56 = 46,531.20/x
  3. Step 3: Cross multiply
    84,771.68x = 116,982.56 × 46,531.20
  4. Step 4: Simplify right side
    84,771.68x = 5,443,338,895.87
  5. Step 5: Solve for x
    x = 5,443,338,895.87/84,771.68
  6. Step 6: Final answer
    x = 64,211.76

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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.