Home / 115,162.49-172,835.90-59,774.33

Finding the Fourth Proportional to 115,162.49, 172,835.90 and 59,774.33

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Solution

The fourth proportional to 115,162.49, 172,835.90 and 59,774.33 is: 89,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.49 : 172,835.90 = 59,774.33 : x
  2. Step 2: Convert to fraction form
    115,162.49/172,835.90 = 59,774.33/x
  3. Step 3: Cross multiply
    115,162.49x = 172,835.90 × 59,774.33
  4. Step 4: Simplify right side
    115,162.49x = 10,331,149,823.58
  5. Step 5: Solve for x
    x = 10,331,149,823.58/115,162.49
  6. Step 6: Final answer
    x = 89,709.33

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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.