Home / 106,719.03-147,270.15-58,971.33

Finding the Fourth Proportional to 106,719.03, 147,270.15 and 58,971.33

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Solution

The fourth proportional to 106,719.03, 147,270.15 and 58,971.33 is: 81,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,719.03 : 147,270.15 = 58,971.33 : x
  2. Step 2: Convert to fraction form
    106,719.03/147,270.15 = 58,971.33/x
  3. Step 3: Cross multiply
    106,719.03x = 147,270.15 × 58,971.33
  4. Step 4: Simplify right side
    106,719.03x = 8,684,716,614.80
  5. Step 5: Solve for x
    x = 8,684,716,614.80/106,719.03
  6. Step 6: Final answer
    x = 81,379.27

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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.