Home / 88,849.08-132,625.38-77,638.80

Finding the Fourth Proportional to 88,849.08, 132,625.38 and 77,638.80

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Solution

The fourth proportional to 88,849.08, 132,625.38 and 77,638.80 is: 115,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.08 : 132,625.38 = 77,638.80 : x
  2. Step 2: Convert to fraction form
    88,849.08/132,625.38 = 77,638.80/x
  3. Step 3: Cross multiply
    88,849.08x = 132,625.38 × 77,638.80
  4. Step 4: Simplify right side
    88,849.08x = 10,296,875,352.74
  5. Step 5: Solve for x
    x = 10,296,875,352.74/88,849.08
  6. Step 6: Final answer
    x = 115,891.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.