Home / 103,668.77-155,501.31-33,548.15

Finding the Fourth Proportional to 103,668.77, 155,501.31 and 33,548.15

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Solution

The fourth proportional to 103,668.77, 155,501.31 and 33,548.15 is: 50,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.77 : 155,501.31 = 33,548.15 : x
  2. Step 2: Convert to fraction form
    103,668.77/155,501.31 = 33,548.15/x
  3. Step 3: Cross multiply
    103,668.77x = 155,501.31 × 33,548.15
  4. Step 4: Simplify right side
    103,668.77x = 5,216,781,273.08
  5. Step 5: Solve for x
    x = 5,216,781,273.08/103,668.77
  6. Step 6: Final answer
    x = 50,321.63

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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.