Home / 84,942.01-127,413.78-25,777.68

Finding the Fourth Proportional to 84,942.01, 127,413.78 and 25,777.68

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Solution

The fourth proportional to 84,942.01, 127,413.78 and 25,777.68 is: 38,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.01 : 127,413.78 = 25,777.68 : x
  2. Step 2: Convert to fraction form
    84,942.01/127,413.78 = 25,777.68/x
  3. Step 3: Cross multiply
    84,942.01x = 127,413.78 × 25,777.68
  4. Step 4: Simplify right side
    84,942.01x = 3,284,431,291.46
  5. Step 5: Solve for x
    x = 3,284,431,291.46/84,942.01
  6. Step 6: Final answer
    x = 38,666.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.