Home / 42,133.37-63,200.06-12,550.44

Finding the Fourth Proportional to 42,133.37, 63,200.06 and 12,550.44

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Solution

The fourth proportional to 42,133.37, 63,200.06 and 12,550.44 is: 18,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.37 : 63,200.06 = 12,550.44 : x
  2. Step 2: Convert to fraction form
    42,133.37/63,200.06 = 12,550.44/x
  3. Step 3: Cross multiply
    42,133.37x = 63,200.06 × 12,550.44
  4. Step 4: Simplify right side
    42,133.37x = 793,188,498.27
  5. Step 5: Solve for x
    x = 793,188,498.27/42,133.37
  6. Step 6: Final answer
    x = 18,825.66

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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.