Home / 125,784.84-173,586.24-68,427.39

Finding the Fourth Proportional to 125,784.84, 173,586.24 and 68,427.39

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Solution

The fourth proportional to 125,784.84, 173,586.24 and 68,427.39 is: 94,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.84 : 173,586.24 = 68,427.39 : x
  2. Step 2: Convert to fraction form
    125,784.84/173,586.24 = 68,427.39/x
  3. Step 3: Cross multiply
    125,784.84x = 173,586.24 × 68,427.39
  4. Step 4: Simplify right side
    125,784.84x = 11,878,053,994.06
  5. Step 5: Solve for x
    x = 11,878,053,994.06/125,784.84
  6. Step 6: Final answer
    x = 94,431.52

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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.