Home / 88,005.45-132,020.73-28,828.47

Finding the Fourth Proportional to 88,005.45, 132,020.73 and 28,828.47

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Solution

The fourth proportional to 88,005.45, 132,020.73 and 28,828.47 is: 43,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.45 : 132,020.73 = 28,828.47 : x
  2. Step 2: Convert to fraction form
    88,005.45/132,020.73 = 28,828.47/x
  3. Step 3: Cross multiply
    88,005.45x = 132,020.73 × 28,828.47
  4. Step 4: Simplify right side
    88,005.45x = 3,805,955,654.18
  5. Step 5: Solve for x
    x = 3,805,955,654.18/88,005.45
  6. Step 6: Final answer
    x = 43,246.82

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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.