Home / 95,205.90-142,780.07-28,628.36

Finding the Fourth Proportional to 95,205.90, 142,780.07 and 28,628.36

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Solution

The fourth proportional to 95,205.90, 142,780.07 and 28,628.36 is: 42,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,205.90 : 142,780.07 = 28,628.36 : x
  2. Step 2: Convert to fraction form
    95,205.90/142,780.07 = 28,628.36/x
  3. Step 3: Cross multiply
    95,205.90x = 142,780.07 × 28,628.36
  4. Step 4: Simplify right side
    95,205.90x = 4,087,558,387.74
  5. Step 5: Solve for x
    x = 4,087,558,387.74/95,205.90
  6. Step 6: Final answer
    x = 42,933.88

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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.