Home / 96,732.80-144,926.40-79,107.20

Finding the Fourth Proportional to 96,732.80, 144,926.40 and 79,107.20

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Solution

The fourth proportional to 96,732.80, 144,926.40 and 79,107.20 is: 118,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,732.80 : 144,926.40 = 79,107.20 : x
  2. Step 2: Convert to fraction form
    96,732.80/144,926.40 = 79,107.20/x
  3. Step 3: Cross multiply
    96,732.80x = 144,926.40 × 79,107.20
  4. Step 4: Simplify right side
    96,732.80x = 11,464,721,710.08
  5. Step 5: Solve for x
    x = 11,464,721,710.08/96,732.80
  6. Step 6: Final answer
    x = 118,519.49

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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.