Home / 88,578.76-132,885.25-28,623.37

Finding the Fourth Proportional to 88,578.76, 132,885.25 and 28,623.37

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Solution

The fourth proportional to 88,578.76, 132,885.25 and 28,623.37 is: 42,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.76 : 132,885.25 = 28,623.37 : x
  2. Step 2: Convert to fraction form
    88,578.76/132,885.25 = 28,623.37/x
  3. Step 3: Cross multiply
    88,578.76x = 132,885.25 × 28,623.37
  4. Step 4: Simplify right side
    88,578.76x = 3,803,623,678.29
  5. Step 5: Solve for x
    x = 3,803,623,678.29/88,578.76
  6. Step 6: Final answer
    x = 42,940.58

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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.