Home / 125,858.07-173,687.34-68,500.50

Finding the Fourth Proportional to 125,858.07, 173,687.34 and 68,500.50

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Solution

The fourth proportional to 125,858.07, 173,687.34 and 68,500.50 is: 94,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,858.07 : 173,687.34 = 68,500.50 : x
  2. Step 2: Convert to fraction form
    125,858.07/173,687.34 = 68,500.50/x
  3. Step 3: Cross multiply
    125,858.07x = 173,687.34 × 68,500.50
  4. Step 4: Simplify right side
    125,858.07x = 11,897,669,830.90
  5. Step 5: Solve for x
    x = 11,897,669,830.90/125,858.07
  6. Step 6: Final answer
    x = 94,532.44

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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.