Home / 60,069.18-90,094.31-20,087.85

Finding the Fourth Proportional to 60,069.18, 90,094.31 and 20,087.85

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Solution

The fourth proportional to 60,069.18, 90,094.31 and 20,087.85 is: 30,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,069.18 : 90,094.31 = 20,087.85 : x
  2. Step 2: Convert to fraction form
    60,069.18/90,094.31 = 20,087.85/x
  3. Step 3: Cross multiply
    60,069.18x = 90,094.31 × 20,087.85
  4. Step 4: Simplify right side
    60,069.18x = 1,809,801,297.88
  5. Step 5: Solve for x
    x = 1,809,801,297.88/60,069.18
  6. Step 6: Final answer
    x = 30,128.62

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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.