Home / 88,505.50-122,138.68-50,783.26

Finding the Fourth Proportional to 88,505.50, 122,138.68 and 50,783.26

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Solution

The fourth proportional to 88,505.50, 122,138.68 and 50,783.26 is: 70,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,505.50 : 122,138.68 = 50,783.26 : x
  2. Step 2: Convert to fraction form
    88,505.50/122,138.68 = 50,783.26/x
  3. Step 3: Cross multiply
    88,505.50x = 122,138.68 × 50,783.26
  4. Step 4: Simplify right side
    88,505.50x = 6,202,600,342.50
  5. Step 5: Solve for x
    x = 6,202,600,342.50/88,505.50
  6. Step 6: Final answer
    x = 70,081.52

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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.