Home / 77,404.08-106,823.82-45,579.18

Finding the Fourth Proportional to 77,404.08, 106,823.82 and 45,579.18

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Solution

The fourth proportional to 77,404.08, 106,823.82 and 45,579.18 is: 62,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.08 : 106,823.82 = 45,579.18 : x
  2. Step 2: Convert to fraction form
    77,404.08/106,823.82 = 45,579.18/x
  3. Step 3: Cross multiply
    77,404.08x = 106,823.82 × 45,579.18
  4. Step 4: Simplify right side
    77,404.08x = 4,868,942,120.07
  5. Step 5: Solve for x
    x = 4,868,942,120.07/77,404.08
  6. Step 6: Final answer
    x = 62,902.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.