Home / 90,501.20-124,893.71-50,213.46

Finding the Fourth Proportional to 90,501.20, 124,893.71 and 50,213.46

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Solution

The fourth proportional to 90,501.20, 124,893.71 and 50,213.46 is: 69,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.20 : 124,893.71 = 50,213.46 : x
  2. Step 2: Convert to fraction form
    90,501.20/124,893.71 = 50,213.46/x
  3. Step 3: Cross multiply
    90,501.20x = 124,893.71 × 50,213.46
  4. Step 4: Simplify right side
    90,501.20x = 6,271,345,311.34
  5. Step 5: Solve for x
    x = 6,271,345,311.34/90,501.20
  6. Step 6: Final answer
    x = 69,295.71

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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.