Home / 77,404.10-116,106.26-21,244.96

Finding the Fourth Proportional to 77,404.10, 116,106.26 and 21,244.96

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Solution

The fourth proportional to 77,404.10, 116,106.26 and 21,244.96 is: 31,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.10 : 116,106.26 = 21,244.96 : x
  2. Step 2: Convert to fraction form
    77,404.10/116,106.26 = 21,244.96/x
  3. Step 3: Cross multiply
    77,404.10x = 116,106.26 × 21,244.96
  4. Step 4: Simplify right side
    77,404.10x = 2,466,672,849.45
  5. Step 5: Solve for x
    x = 2,466,672,849.45/77,404.10
  6. Step 6: Final answer
    x = 31,867.47

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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.