Home / 106,071.10-146,341.70-65,770.36

Finding the Fourth Proportional to 106,071.10, 146,341.70 and 65,770.36

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Solution

The fourth proportional to 106,071.10, 146,341.70 and 65,770.36 is: 90,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,071.10 : 146,341.70 = 65,770.36 : x
  2. Step 2: Convert to fraction form
    106,071.10/146,341.70 = 65,770.36/x
  3. Step 3: Cross multiply
    106,071.10x = 146,341.70 × 65,770.36
  4. Step 4: Simplify right side
    106,071.10x = 9,624,945,963.16
  5. Step 5: Solve for x
    x = 9,624,945,963.16/106,071.10
  6. Step 6: Final answer
    x = 90,740.51

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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.