Home / 125,895.96-173,759.73-72,181.35

Finding the Fourth Proportional to 125,895.96, 173,759.73 and 72,181.35

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Solution

The fourth proportional to 125,895.96, 173,759.73 and 72,181.35 is: 99,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,895.96 : 173,759.73 = 72,181.35 : x
  2. Step 2: Convert to fraction form
    125,895.96/173,759.73 = 72,181.35/x
  3. Step 3: Cross multiply
    125,895.96x = 173,759.73 × 72,181.35
  4. Step 4: Simplify right side
    125,895.96x = 12,542,211,887.04
  5. Step 5: Solve for x
    x = 12,542,211,887.04/125,895.96
  6. Step 6: Final answer
    x = 99,623.62

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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.