Home / 91,168.98-125,819.50-50,890.56

Finding the Fourth Proportional to 91,168.98, 125,819.50 and 50,890.56

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Solution

The fourth proportional to 91,168.98, 125,819.50 and 50,890.56 is: 70,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,168.98 : 125,819.50 = 50,890.56 : x
  2. Step 2: Convert to fraction form
    91,168.98/125,819.50 = 50,890.56/x
  3. Step 3: Cross multiply
    91,168.98x = 125,819.50 × 50,890.56
  4. Step 4: Simplify right side
    91,168.98x = 6,403,024,813.92
  5. Step 5: Solve for x
    x = 6,403,024,813.92/91,168.98
  6. Step 6: Final answer
    x = 70,232.49

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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.