Home / 84,858.93-127,304.81-28,708.19

Finding the Fourth Proportional to 84,858.93, 127,304.81 and 28,708.19

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Solution

The fourth proportional to 84,858.93, 127,304.81 and 28,708.19 is: 43,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,858.93 : 127,304.81 = 28,708.19 : x
  2. Step 2: Convert to fraction form
    84,858.93/127,304.81 = 28,708.19/x
  3. Step 3: Cross multiply
    84,858.93x = 127,304.81 × 28,708.19
  4. Step 4: Simplify right side
    84,858.93x = 3,654,690,908.39
  5. Step 5: Solve for x
    x = 3,654,690,908.39/84,858.93
  6. Step 6: Final answer
    x = 43,067.84

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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.