Home / 125,736.07-173,512.32-69,147.45

Finding the Fourth Proportional to 125,736.07, 173,512.32 and 69,147.45

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Solution

The fourth proportional to 125,736.07, 173,512.32 and 69,147.45 is: 95,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,736.07 : 173,512.32 = 69,147.45 : x
  2. Step 2: Convert to fraction form
    125,736.07/173,512.32 = 69,147.45/x
  3. Step 3: Cross multiply
    125,736.07x = 173,512.32 × 69,147.45
  4. Step 4: Simplify right side
    125,736.07x = 11,997,934,471.58
  5. Step 5: Solve for x
    x = 11,997,934,471.58/125,736.07
  6. Step 6: Final answer
    x = 95,421.58

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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.