Home / 96,530.12-144,836.40-49,815.80

Finding the Fourth Proportional to 96,530.12, 144,836.40 and 49,815.80

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Solution

The fourth proportional to 96,530.12, 144,836.40 and 49,815.80 is: 74,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,530.12 : 144,836.40 = 49,815.80 : x
  2. Step 2: Convert to fraction form
    96,530.12/144,836.40 = 49,815.80/x
  3. Step 3: Cross multiply
    96,530.12x = 144,836.40 × 49,815.80
  4. Step 4: Simplify right side
    96,530.12x = 7,215,141,135.12
  5. Step 5: Solve for x
    x = 7,215,141,135.12/96,530.12
  6. Step 6: Final answer
    x = 74,744.97

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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.