Home / 117,898.29-176,787.36-57,930.75

Finding the Fourth Proportional to 117,898.29, 176,787.36 and 57,930.75

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Solution

The fourth proportional to 117,898.29, 176,787.36 and 57,930.75 is: 86,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.29 : 176,787.36 = 57,930.75 : x
  2. Step 2: Convert to fraction form
    117,898.29/176,787.36 = 57,930.75/x
  3. Step 3: Cross multiply
    117,898.29x = 176,787.36 × 57,930.75
  4. Step 4: Simplify right side
    117,898.29x = 10,241,424,355.32
  5. Step 5: Solve for x
    x = 10,241,424,355.32/117,898.29
  6. Step 6: Final answer
    x = 86,866.61

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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.