Home / 125,944.89-173,787.39-77,572.08

Finding the Fourth Proportional to 125,944.89, 173,787.39 and 77,572.08

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Solution

The fourth proportional to 125,944.89, 173,787.39 and 77,572.08 is: 107,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,944.89 : 173,787.39 = 77,572.08 : x
  2. Step 2: Convert to fraction form
    125,944.89/173,787.39 = 77,572.08/x
  3. Step 3: Cross multiply
    125,944.89x = 173,787.39 × 77,572.08
  4. Step 4: Simplify right side
    125,944.89x = 13,481,049,320.07
  5. Step 5: Solve for x
    x = 13,481,049,320.07/125,944.89
  6. Step 6: Final answer
    x = 107,039.27

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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.