Home / 83,914.92-125,784.22-42,274.60

Finding the Fourth Proportional to 83,914.92, 125,784.22 and 42,274.60

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Solution

The fourth proportional to 83,914.92, 125,784.22 and 42,274.60 is: 63,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,914.92 : 125,784.22 = 42,274.60 : x
  2. Step 2: Convert to fraction form
    83,914.92/125,784.22 = 42,274.60/x
  3. Step 3: Cross multiply
    83,914.92x = 125,784.22 × 42,274.60
  4. Step 4: Simplify right side
    83,914.92x = 5,317,477,586.81
  5. Step 5: Solve for x
    x = 5,317,477,586.81/83,914.92
  6. Step 6: Final answer
    x = 63,367.49

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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.