Home / 125,766.39-173,554-69,177.77

Finding the Fourth Proportional to 125,766.39, 173,554 and 69,177.77

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Solution

The fourth proportional to 125,766.39, 173,554 and 69,177.77 is: 95,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.39 : 173,554 = 69,177.77 : x
  2. Step 2: Convert to fraction form
    125,766.39/173,554 = 69,177.77/x
  3. Step 3: Cross multiply
    125,766.39x = 173,554 × 69,177.77
  4. Step 4: Simplify right side
    125,766.39x = 12,006,078,694.58
  5. Step 5: Solve for x
    x = 12,006,078,694.58/125,766.39
  6. Step 6: Final answer
    x = 95,463.33

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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.