Home / 90,083.40-135,104.58-33,929.34

Finding the Fourth Proportional to 90,083.40, 135,104.58 and 33,929.34

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Solution

The fourth proportional to 90,083.40, 135,104.58 and 33,929.34 is: 50,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.40 : 135,104.58 = 33,929.34 : x
  2. Step 2: Convert to fraction form
    90,083.40/135,104.58 = 33,929.34/x
  3. Step 3: Cross multiply
    90,083.40x = 135,104.58 × 33,929.34
  4. Step 4: Simplify right side
    90,083.40x = 4,584,009,230.38
  5. Step 5: Solve for x
    x = 4,584,009,230.38/90,083.40
  6. Step 6: Final answer
    x = 50,886.28

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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.