Home / 84,008.97-126,017.12-39,072.51

Finding the Fourth Proportional to 84,008.97, 126,017.12 and 39,072.51

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Solution

The fourth proportional to 84,008.97, 126,017.12 and 39,072.51 is: 58,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.97 : 126,017.12 = 39,072.51 : x
  2. Step 2: Convert to fraction form
    84,008.97/126,017.12 = 39,072.51/x
  3. Step 3: Cross multiply
    84,008.97x = 126,017.12 × 39,072.51
  4. Step 4: Simplify right side
    84,008.97x = 4,923,805,181.37
  5. Step 5: Solve for x
    x = 4,923,805,181.37/84,008.97
  6. Step 6: Final answer
    x = 58,610.47

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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.