Home / 106,047.40-146,343.38-58,300.28

Finding the Fourth Proportional to 106,047.40, 146,343.38 and 58,300.28

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Solution

The fourth proportional to 106,047.40, 146,343.38 and 58,300.28 is: 80,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,047.40 : 146,343.38 = 58,300.28 : x
  2. Step 2: Convert to fraction form
    106,047.40/146,343.38 = 58,300.28/x
  3. Step 3: Cross multiply
    106,047.40x = 146,343.38 × 58,300.28
  4. Step 4: Simplify right side
    106,047.40x = 8,531,860,030.15
  5. Step 5: Solve for x
    x = 8,531,860,030.15/106,047.40
  6. Step 6: Final answer
    x = 80,453.27

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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.