Home / 77,696.18-116,527.41-27,779.73

Finding the Fourth Proportional to 77,696.18, 116,527.41 and 27,779.73

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Solution

The fourth proportional to 77,696.18, 116,527.41 and 27,779.73 is: 41,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696.18 : 116,527.41 = 27,779.73 : x
  2. Step 2: Convert to fraction form
    77,696.18/116,527.41 = 27,779.73/x
  3. Step 3: Cross multiply
    77,696.18x = 116,527.41 × 27,779.73
  4. Step 4: Simplify right side
    77,696.18x = 3,237,099,987.40
  5. Step 5: Solve for x
    x = 3,237,099,987.40/77,696.18
  6. Step 6: Final answer
    x = 41,663.57

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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.