Home / 77,833.17-116,749.80-27,916.38

Finding the Fourth Proportional to 77,833.17, 116,749.80 and 27,916.38

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Solution

The fourth proportional to 77,833.17, 116,749.80 and 27,916.38 is: 41,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,833.17 : 116,749.80 = 27,916.38 : x
  2. Step 2: Convert to fraction form
    77,833.17/116,749.80 = 27,916.38/x
  3. Step 3: Cross multiply
    77,833.17x = 116,749.80 × 27,916.38
  4. Step 4: Simplify right side
    77,833.17x = 3,259,231,781.72
  5. Step 5: Solve for x
    x = 3,259,231,781.72/77,833.17
  6. Step 6: Final answer
    x = 41,874.59

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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.