Home / 55,990.20-83,742.30-50,109.60

Finding the Fourth Proportional to 55,990.20, 83,742.30 and 50,109.60

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Solution

The fourth proportional to 55,990.20, 83,742.30 and 50,109.60 is: 74,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,990.20 : 83,742.30 = 50,109.60 : x
  2. Step 2: Convert to fraction form
    55,990.20/83,742.30 = 50,109.60/x
  3. Step 3: Cross multiply
    55,990.20x = 83,742.30 × 50,109.60
  4. Step 4: Simplify right side
    55,990.20x = 4,196,293,156.08
  5. Step 5: Solve for x
    x = 4,196,293,156.08/55,990.20
  6. Step 6: Final answer
    x = 74,946.92

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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.