Home / 125,687.43-173,451.51-68,329.98

Finding the Fourth Proportional to 125,687.43, 173,451.51 and 68,329.98

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Solution

The fourth proportional to 125,687.43, 173,451.51 and 68,329.98 is: 94,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.43 : 173,451.51 = 68,329.98 : x
  2. Step 2: Convert to fraction form
    125,687.43/173,451.51 = 68,329.98/x
  3. Step 3: Cross multiply
    125,687.43x = 173,451.51 × 68,329.98
  4. Step 4: Simplify right side
    125,687.43x = 11,851,938,209.27
  5. Step 5: Solve for x
    x = 11,851,938,209.27/125,687.43
  6. Step 6: Final answer
    x = 94,296.93

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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.