Home / 125,380.19-173,036.82-71,654.94

Finding the Fourth Proportional to 125,380.19, 173,036.82 and 71,654.94

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Solution

The fourth proportional to 125,380.19, 173,036.82 and 71,654.94 is: 98,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,380.19 : 173,036.82 = 71,654.94 : x
  2. Step 2: Convert to fraction form
    125,380.19/173,036.82 = 71,654.94/x
  3. Step 3: Cross multiply
    125,380.19x = 173,036.82 × 71,654.94
  4. Step 4: Simplify right side
    125,380.19x = 12,398,942,954.89
  5. Step 5: Solve for x
    x = 12,398,942,954.89/125,380.19
  6. Step 6: Final answer
    x = 98,890.77

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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.