Home / 125,435.72-173,101.29-68,850.74

Finding the Fourth Proportional to 125,435.72, 173,101.29 and 68,850.74

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Solution

The fourth proportional to 125,435.72, 173,101.29 and 68,850.74 is: 95,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435.72 : 173,101.29 = 68,850.74 : x
  2. Step 2: Convert to fraction form
    125,435.72/173,101.29 = 68,850.74/x
  3. Step 3: Cross multiply
    125,435.72x = 173,101.29 × 68,850.74
  4. Step 4: Simplify right side
    125,435.72x = 11,918,151,911.45
  5. Step 5: Solve for x
    x = 11,918,151,911.45/125,435.72
  6. Step 6: Final answer
    x = 95,014.02

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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.