Home / 125,929.73-173,729.98-83,414.45

Finding the Fourth Proportional to 125,929.73, 173,729.98 and 83,414.45

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Solution

The fourth proportional to 125,929.73, 173,729.98 and 83,414.45 is: 115,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,929.73 : 173,729.98 = 83,414.45 : x
  2. Step 2: Convert to fraction form
    125,929.73/173,729.98 = 83,414.45/x
  3. Step 3: Cross multiply
    125,929.73x = 173,729.98 × 83,414.45
  4. Step 4: Simplify right side
    125,929.73x = 14,491,590,730.21
  5. Step 5: Solve for x
    x = 14,491,590,730.21/125,929.73
  6. Step 6: Final answer
    x = 115,076.80

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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.