Home / 125,899.92-173,742.54-69,311.28

Finding the Fourth Proportional to 125,899.92, 173,742.54 and 69,311.28

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Solution

The fourth proportional to 125,899.92, 173,742.54 and 69,311.28 is: 95,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,899.92 : 173,742.54 = 69,311.28 : x
  2. Step 2: Convert to fraction form
    125,899.92/173,742.54 = 69,311.28/x
  3. Step 3: Cross multiply
    125,899.92x = 173,742.54 × 69,311.28
  4. Step 4: Simplify right side
    125,899.92x = 12,042,317,837.85
  5. Step 5: Solve for x
    x = 12,042,317,837.85/125,899.92
  6. Step 6: Final answer
    x = 95,649.92

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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.