Home / 125,893.96-173,723.07-72,166.66

Finding the Fourth Proportional to 125,893.96, 173,723.07 and 72,166.66

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Solution

The fourth proportional to 125,893.96, 173,723.07 and 72,166.66 is: 99,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,893.96 : 173,723.07 = 72,166.66 : x
  2. Step 2: Convert to fraction form
    125,893.96/173,723.07 = 72,166.66/x
  3. Step 3: Cross multiply
    125,893.96x = 173,723.07 × 72,166.66
  4. Step 4: Simplify right side
    125,893.96x = 12,537,013,726.85
  5. Step 5: Solve for x
    x = 12,537,013,726.85/125,893.96
  6. Step 6: Final answer
    x = 99,583.92

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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.