Home / 77,581.90-116,381.96-27,669.09

Finding the Fourth Proportional to 77,581.90, 116,381.96 and 27,669.09

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Solution

The fourth proportional to 77,581.90, 116,381.96 and 27,669.09 is: 41,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,581.90 : 116,381.96 = 27,669.09 : x
  2. Step 2: Convert to fraction form
    77,581.90/116,381.96 = 27,669.09/x
  3. Step 3: Cross multiply
    77,581.90x = 116,381.96 × 27,669.09
  4. Step 4: Simplify right side
    77,581.90x = 3,220,182,925.62
  5. Step 5: Solve for x
    x = 3,220,182,925.62/77,581.90
  6. Step 6: Final answer
    x = 41,506.88

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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.