Home / 103,500.46-155,250.69-33,379.77

Finding the Fourth Proportional to 103,500.46, 155,250.69 and 33,379.77

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Solution

The fourth proportional to 103,500.46, 155,250.69 and 33,379.77 is: 50,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.46 : 155,250.69 = 33,379.77 : x
  2. Step 2: Convert to fraction form
    103,500.46/155,250.69 = 33,379.77/x
  3. Step 3: Cross multiply
    103,500.46x = 155,250.69 × 33,379.77
  4. Step 4: Simplify right side
    103,500.46x = 5,182,232,969.32
  5. Step 5: Solve for x
    x = 5,182,232,969.32/103,500.46
  6. Step 6: Final answer
    x = 50,069.66

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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.