Home / 53,480.30-80,220.45-48,814.70

Finding the Fourth Proportional to 53,480.30, 80,220.45 and 48,814.70

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Solution

The fourth proportional to 53,480.30, 80,220.45 and 48,814.70 is: 73,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.30 : 80,220.45 = 48,814.70 : x
  2. Step 2: Convert to fraction form
    53,480.30/80,220.45 = 48,814.70/x
  3. Step 3: Cross multiply
    53,480.30x = 80,220.45 × 48,814.70
  4. Step 4: Simplify right side
    53,480.30x = 3,915,937,200.62
  5. Step 5: Solve for x
    x = 3,915,937,200.62/53,480.30
  6. Step 6: Final answer
    x = 73,222.05

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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.