Home / 115,355.97-172,721.27-59,835.33

Finding the Fourth Proportional to 115,355.97, 172,721.27 and 59,835.33

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Solution

The fourth proportional to 115,355.97, 172,721.27 and 59,835.33 is: 89,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,355.97 : 172,721.27 = 59,835.33 : x
  2. Step 2: Convert to fraction form
    115,355.97/172,721.27 = 59,835.33/x
  3. Step 3: Cross multiply
    115,355.97x = 172,721.27 × 59,835.33
  4. Step 4: Simplify right side
    115,355.97x = 10,334,833,889.29
  5. Step 5: Solve for x
    x = 10,334,833,889.29/115,355.97
  6. Step 6: Final answer
    x = 89,590.80

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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.