Home / 100,966.80-151,438.05-41,796.30

Finding the Fourth Proportional to 100,966.80, 151,438.05 and 41,796.30

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Solution

The fourth proportional to 100,966.80, 151,438.05 and 41,796.30 is: 62,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,966.80 : 151,438.05 = 41,796.30 : x
  2. Step 2: Convert to fraction form
    100,966.80/151,438.05 = 41,796.30/x
  3. Step 3: Cross multiply
    100,966.80x = 151,438.05 × 41,796.30
  4. Step 4: Simplify right side
    100,966.80x = 6,329,550,169.22
  5. Step 5: Solve for x
    x = 6,329,550,169.22/100,966.80
  6. Step 6: Final answer
    x = 62,689.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.