Home / 117,906.43-176,799.54-57,938.89

Finding the Fourth Proportional to 117,906.43, 176,799.54 and 57,938.89

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Solution

The fourth proportional to 117,906.43, 176,799.54 and 57,938.89 is: 86,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,906.43 : 176,799.54 = 57,938.89 : x
  2. Step 2: Convert to fraction form
    117,906.43/176,799.54 = 57,938.89/x
  3. Step 3: Cross multiply
    117,906.43x = 176,799.54 × 57,938.89
  4. Step 4: Simplify right side
    117,906.43x = 10,243,569,100.11
  5. Step 5: Solve for x
    x = 10,243,569,100.11/117,906.43
  6. Step 6: Final answer
    x = 86,878.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.