Home / 107,669.16-161,537.69-50,740.77

Finding the Fourth Proportional to 107,669.16, 161,537.69 and 50,740.77

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Solution

The fourth proportional to 107,669.16, 161,537.69 and 50,740.77 is: 76,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,669.16 : 161,537.69 = 50,740.77 : x
  2. Step 2: Convert to fraction form
    107,669.16/161,537.69 = 50,740.77/x
  3. Step 3: Cross multiply
    107,669.16x = 161,537.69 × 50,740.77
  4. Step 4: Simplify right side
    107,669.16x = 8,196,546,774.62
  5. Step 5: Solve for x
    x = 8,196,546,774.62/107,669.16
  6. Step 6: Final answer
    x = 76,127.15

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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.