Home / 50,762.45-70,051.34-28,100.97

Finding the Fourth Proportional to 50,762.45, 70,051.34 and 28,100.97

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Solution

The fourth proportional to 50,762.45, 70,051.34 and 28,100.97 is: 38,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.45 : 70,051.34 = 28,100.97 : x
  2. Step 2: Convert to fraction form
    50,762.45/70,051.34 = 28,100.97/x
  3. Step 3: Cross multiply
    50,762.45x = 70,051.34 × 28,100.97
  4. Step 4: Simplify right side
    50,762.45x = 1,968,510,463.29
  5. Step 5: Solve for x
    x = 1,968,510,463.29/50,762.45
  6. Step 6: Final answer
    x = 38,778.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.