Home / 77,091.90-115,638.21-24,506.70

Finding the Fourth Proportional to 77,091.90, 115,638.21 and 24,506.70

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Solution

The fourth proportional to 77,091.90, 115,638.21 and 24,506.70 is: 36,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,091.90 : 115,638.21 = 24,506.70 : x
  2. Step 2: Convert to fraction form
    77,091.90/115,638.21 = 24,506.70/x
  3. Step 3: Cross multiply
    77,091.90x = 115,638.21 × 24,506.70
  4. Step 4: Simplify right side
    77,091.90x = 2,833,910,921.01
  5. Step 5: Solve for x
    x = 2,833,910,921.01/77,091.90
  6. Step 6: Final answer
    x = 36,760.16

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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.