Home / 106,071.76-146,379.84-57,673.72

Finding the Fourth Proportional to 106,071.76, 146,379.84 and 57,673.72

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Solution

The fourth proportional to 106,071.76, 146,379.84 and 57,673.72 is: 79,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,071.76 : 146,379.84 = 57,673.72 : x
  2. Step 2: Convert to fraction form
    106,071.76/146,379.84 = 57,673.72/x
  3. Step 3: Cross multiply
    106,071.76x = 146,379.84 × 57,673.72
  4. Step 4: Simplify right side
    106,071.76x = 8,442,269,905.80
  5. Step 5: Solve for x
    x = 8,442,269,905.80/106,071.76
  6. Step 6: Final answer
    x = 79,590.17

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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.