Home / 77,757.07-116,654.11-25,166.55

Finding the Fourth Proportional to 77,757.07, 116,654.11 and 25,166.55

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Solution

The fourth proportional to 77,757.07, 116,654.11 and 25,166.55 is: 37,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,757.07 : 116,654.11 = 25,166.55 : x
  2. Step 2: Convert to fraction form
    77,757.07/116,654.11 = 25,166.55/x
  3. Step 3: Cross multiply
    77,757.07x = 116,654.11 × 25,166.55
  4. Step 4: Simplify right side
    77,757.07x = 2,935,781,492.02
  5. Step 5: Solve for x
    x = 2,935,781,492.02/77,757.07
  6. Step 6: Final answer
    x = 37,755.81

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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.