Home / 100,554.86-150,829.97-50,621.56

Finding the Fourth Proportional to 100,554.86, 150,829.97 and 50,621.56

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Solution

The fourth proportional to 100,554.86, 150,829.97 and 50,621.56 is: 75,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,554.86 : 150,829.97 = 50,621.56 : x
  2. Step 2: Convert to fraction form
    100,554.86/150,829.97 = 50,621.56/x
  3. Step 3: Cross multiply
    100,554.86x = 150,829.97 × 50,621.56
  4. Step 4: Simplify right side
    100,554.86x = 7,635,248,376.15
  5. Step 5: Solve for x
    x = 7,635,248,376.15/100,554.86
  6. Step 6: Final answer
    x = 75,931.17

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1.5x scale

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.