Home / 115,148.75-172,774.96-62,479.31

Finding the Fourth Proportional to 115,148.75, 172,774.96 and 62,479.31

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Solution

The fourth proportional to 115,148.75, 172,774.96 and 62,479.31 is: 93,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,148.75 : 172,774.96 = 62,479.31 : x
  2. Step 2: Convert to fraction form
    115,148.75/172,774.96 = 62,479.31/x
  3. Step 3: Cross multiply
    115,148.75x = 172,774.96 × 62,479.31
  4. Step 4: Simplify right side
    115,148.75x = 10,794,859,266.00
  5. Step 5: Solve for x
    x = 10,794,859,266.00/115,148.75
  6. Step 6: Final answer
    x = 93,747.09

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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.