Home / 50,776.62-70,072.02-28,116.32

Finding the Fourth Proportional to 50,776.62, 70,072.02 and 28,116.32

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Solution

The fourth proportional to 50,776.62, 70,072.02 and 28,116.32 is: 38,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.62 : 70,072.02 = 28,116.32 : x
  2. Step 2: Convert to fraction form
    50,776.62/70,072.02 = 28,116.32/x
  3. Step 3: Cross multiply
    50,776.62x = 70,072.02 × 28,116.32
  4. Step 4: Simplify right side
    50,776.62x = 1,970,167,337.37
  5. Step 5: Solve for x
    x = 1,970,167,337.37/50,776.62
  6. Step 6: Final answer
    x = 38,800.68

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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.