Home / 125,820.84-173,636.28-68,463.66

Finding the Fourth Proportional to 125,820.84, 173,636.28 and 68,463.66

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Solution

The fourth proportional to 125,820.84, 173,636.28 and 68,463.66 is: 94,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820.84 : 173,636.28 = 68,463.66 : x
  2. Step 2: Convert to fraction form
    125,820.84/173,636.28 = 68,463.66/x
  3. Step 3: Cross multiply
    125,820.84x = 173,636.28 × 68,463.66
  4. Step 4: Simplify right side
    125,820.84x = 11,887,775,237.58
  5. Step 5: Solve for x
    x = 11,887,775,237.58/125,820.84
  6. Step 6: Final answer
    x = 94,481.77

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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.