Home / 106,160.05-146,494.06-57,761.47

Finding the Fourth Proportional to 106,160.05, 146,494.06 and 57,761.47

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Solution

The fourth proportional to 106,160.05, 146,494.06 and 57,761.47 is: 79,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,160.05 : 146,494.06 = 57,761.47 : x
  2. Step 2: Convert to fraction form
    106,160.05/146,494.06 = 57,761.47/x
  3. Step 3: Cross multiply
    106,160.05x = 146,494.06 × 57,761.47
  4. Step 4: Simplify right side
    106,160.05x = 8,461,712,251.87
  5. Step 5: Solve for x
    x = 8,461,712,251.87/106,160.05
  6. Step 6: Final answer
    x = 79,707.12

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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.