Home / 107,555.04-161,328.92-40,992.75

Finding the Fourth Proportional to 107,555.04, 161,328.92 and 40,992.75

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Solution

The fourth proportional to 107,555.04, 161,328.92 and 40,992.75 is: 61,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.04 : 161,328.92 = 40,992.75 : x
  2. Step 2: Convert to fraction form
    107,555.04/161,328.92 = 40,992.75/x
  3. Step 3: Cross multiply
    107,555.04x = 161,328.92 × 40,992.75
  4. Step 4: Simplify right side
    107,555.04x = 6,613,315,880.37
  5. Step 5: Solve for x
    x = 6,613,315,880.37/107,555.04
  6. Step 6: Final answer
    x = 61,487.74

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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.