Home / 84,605.10-116,791.07-57,015.83

Finding the Fourth Proportional to 84,605.10, 116,791.07 and 57,015.83

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Solution

The fourth proportional to 84,605.10, 116,791.07 and 57,015.83 is: 78,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,605.10 : 116,791.07 = 57,015.83 : x
  2. Step 2: Convert to fraction form
    84,605.10/116,791.07 = 57,015.83/x
  3. Step 3: Cross multiply
    84,605.10x = 116,791.07 × 57,015.83
  4. Step 4: Simplify right side
    84,605.10x = 6,658,938,923.60
  5. Step 5: Solve for x
    x = 6,658,938,923.60/84,605.10
  6. Step 6: Final answer
    x = 78,706.12

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1.5x scale

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.