Home / 53,665.20-80,582.04-45,452.88

Finding the Fourth Proportional to 53,665.20, 80,582.04 and 45,452.88

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Solution

The fourth proportional to 53,665.20, 80,582.04 and 45,452.88 is: 68,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.20 : 80,582.04 = 45,452.88 : x
  2. Step 2: Convert to fraction form
    53,665.20/80,582.04 = 45,452.88/x
  3. Step 3: Cross multiply
    53,665.20x = 80,582.04 × 45,452.88
  4. Step 4: Simplify right side
    53,665.20x = 3,662,685,794.28
  5. Step 5: Solve for x
    x = 3,662,685,794.28/53,665.20
  6. Step 6: Final answer
    x = 68,250.67

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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.