Home / 102,251.77-153,383.19-31,169.01

Finding the Fourth Proportional to 102,251.77, 153,383.19 and 31,169.01

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Solution

The fourth proportional to 102,251.77, 153,383.19 and 31,169.01 is: 46,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,251.77 : 153,383.19 = 31,169.01 : x
  2. Step 2: Convert to fraction form
    102,251.77/153,383.19 = 31,169.01/x
  3. Step 3: Cross multiply
    102,251.77x = 153,383.19 × 31,169.01
  4. Step 4: Simplify right side
    102,251.77x = 4,780,802,182.94
  5. Step 5: Solve for x
    x = 4,780,802,182.94/102,251.77
  6. Step 6: Final answer
    x = 46,755.20

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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.