Home / 59,664.12-89,477.20-20,211.99

Finding the Fourth Proportional to 59,664.12, 89,477.20 and 20,211.99

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Solution

The fourth proportional to 59,664.12, 89,477.20 and 20,211.99 is: 30,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,664.12 : 89,477.20 = 20,211.99 : x
  2. Step 2: Convert to fraction form
    59,664.12/89,477.20 = 20,211.99/x
  3. Step 3: Cross multiply
    59,664.12x = 89,477.20 × 20,211.99
  4. Step 4: Simplify right side
    59,664.12x = 1,808,512,271.63
  5. Step 5: Solve for x
    x = 1,808,512,271.63/59,664.12
  6. Step 6: Final answer
    x = 30,311.56

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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.