Home / 115,092.77-172,451.43-70,625.59

Finding the Fourth Proportional to 115,092.77, 172,451.43 and 70,625.59

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Solution

The fourth proportional to 115,092.77, 172,451.43 and 70,625.59 is: 105,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,092.77 : 172,451.43 = 70,625.59 : x
  2. Step 2: Convert to fraction form
    115,092.77/172,451.43 = 70,625.59/x
  3. Step 3: Cross multiply
    115,092.77x = 172,451.43 × 70,625.59
  4. Step 4: Simplify right side
    115,092.77x = 12,179,483,558.97
  5. Step 5: Solve for x
    x = 12,179,483,558.97/115,092.77
  6. Step 6: Final answer
    x = 105,823.19

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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.