Home / 70,734.72-106,085.58-20,801.46

Finding the Fourth Proportional to 70,734.72, 106,085.58 and 20,801.46

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Solution

The fourth proportional to 70,734.72, 106,085.58 and 20,801.46 is: 31,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.72 : 106,085.58 = 20,801.46 : x
  2. Step 2: Convert to fraction form
    70,734.72/106,085.58 = 20,801.46/x
  3. Step 3: Cross multiply
    70,734.72x = 106,085.58 × 20,801.46
  4. Step 4: Simplify right side
    70,734.72x = 2,206,734,948.95
  5. Step 5: Solve for x
    x = 2,206,734,948.95/70,734.72
  6. Step 6: Final answer
    x = 31,197.34

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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.