Home / 96,542.20-144,813.30-61,112.80

Finding the Fourth Proportional to 96,542.20, 144,813.30 and 61,112.80

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Solution

The fourth proportional to 96,542.20, 144,813.30 and 61,112.80 is: 91,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,542.20 : 144,813.30 = 61,112.80 : x
  2. Step 2: Convert to fraction form
    96,542.20/144,813.30 = 61,112.80/x
  3. Step 3: Cross multiply
    96,542.20x = 144,813.30 × 61,112.80
  4. Step 4: Simplify right side
    96,542.20x = 8,849,946,240.24
  5. Step 5: Solve for x
    x = 8,849,946,240.24/96,542.20
  6. Step 6: Final answer
    x = 91,669.20

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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.