Home / 125,821.82-173,577.67-84,972.68

Finding the Fourth Proportional to 125,821.82, 173,577.67 and 84,972.68

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Solution

The fourth proportional to 125,821.82, 173,577.67 and 84,972.68 is: 117,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821.82 : 173,577.67 = 84,972.68 : x
  2. Step 2: Convert to fraction form
    125,821.82/173,577.67 = 84,972.68/x
  3. Step 3: Cross multiply
    125,821.82x = 173,577.67 × 84,972.68
  4. Step 4: Simplify right side
    125,821.82x = 14,749,358,940.17
  5. Step 5: Solve for x
    x = 14,749,358,940.17/125,821.82
  6. Step 6: Final answer
    x = 117,224.18

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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.