Home / 84,920.37-127,383.39-38,173.38

Finding the Fourth Proportional to 84,920.37, 127,383.39 and 38,173.38

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Solution

The fourth proportional to 84,920.37, 127,383.39 and 38,173.38 is: 57,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920.37 : 127,383.39 = 38,173.38 : x
  2. Step 2: Convert to fraction form
    84,920.37/127,383.39 = 38,173.38/x
  3. Step 3: Cross multiply
    84,920.37x = 127,383.39 × 38,173.38
  4. Step 4: Simplify right side
    84,920.37x = 4,862,654,552.16
  5. Step 5: Solve for x
    x = 4,862,654,552.16/84,920.37
  6. Step 6: Final answer
    x = 57,261.34

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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.