Home / 125,868.35-173,699.73-68,508.05

Finding the Fourth Proportional to 125,868.35, 173,699.73 and 68,508.05

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Solution

The fourth proportional to 125,868.35, 173,699.73 and 68,508.05 is: 94,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,868.35 : 173,699.73 = 68,508.05 : x
  2. Step 2: Convert to fraction form
    125,868.35/173,699.73 = 68,508.05/x
  3. Step 3: Cross multiply
    125,868.35x = 173,699.73 × 68,508.05
  4. Step 4: Simplify right side
    125,868.35x = 11,899,828,919.33
  5. Step 5: Solve for x
    x = 11,899,828,919.33/125,868.35
  6. Step 6: Final answer
    x = 94,541.87

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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.