Home / 106,319.46-146,742.10-61,028.06

Finding the Fourth Proportional to 106,319.46, 146,742.10 and 61,028.06

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Solution

The fourth proportional to 106,319.46, 146,742.10 and 61,028.06 is: 84,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.46 : 146,742.10 = 61,028.06 : x
  2. Step 2: Convert to fraction form
    106,319.46/146,742.10 = 61,028.06/x
  3. Step 3: Cross multiply
    106,319.46x = 146,742.10 × 61,028.06
  4. Step 4: Simplify right side
    106,319.46x = 8,955,385,683.33
  5. Step 5: Solve for x
    x = 8,955,385,683.33/106,319.46
  6. Step 6: Final answer
    x = 84,230.92

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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.