Home / 96,548.80-144,732.48-49,789.12

Finding the Fourth Proportional to 96,548.80, 144,732.48 and 49,789.12

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Solution

The fourth proportional to 96,548.80, 144,732.48 and 49,789.12 is: 74,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,548.80 : 144,732.48 = 49,789.12 : x
  2. Step 2: Convert to fraction form
    96,548.80/144,732.48 = 49,789.12/x
  3. Step 3: Cross multiply
    96,548.80x = 144,732.48 × 49,789.12
  4. Step 4: Simplify right side
    96,548.80x = 7,206,102,814.62
  5. Step 5: Solve for x
    x = 7,206,102,814.62/96,548.80
  6. Step 6: Final answer
    x = 74,636.90

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1.5x scale

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.