Home / 85,177.07-117,544.37-49,387.84

Finding the Fourth Proportional to 85,177.07, 117,544.37 and 49,387.84

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Solution

The fourth proportional to 85,177.07, 117,544.37 and 49,387.84 is: 68,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177.07 : 117,544.37 = 49,387.84 : x
  2. Step 2: Convert to fraction form
    85,177.07/117,544.37 = 49,387.84/x
  3. Step 3: Cross multiply
    85,177.07x = 117,544.37 × 49,387.84
  4. Step 4: Simplify right side
    85,177.07x = 5,805,262,438.45
  5. Step 5: Solve for x
    x = 5,805,262,438.45/85,177.07
  6. Step 6: Final answer
    x = 68,155.23

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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.