Home / 115,905.18-173,871.45-41,009.70

Finding the Fourth Proportional to 115,905.18, 173,871.45 and 41,009.70

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Solution

The fourth proportional to 115,905.18, 173,871.45 and 41,009.70 is: 61,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.18 : 173,871.45 = 41,009.70 : x
  2. Step 2: Convert to fraction form
    115,905.18/173,871.45 = 41,009.70/x
  3. Step 3: Cross multiply
    115,905.18x = 173,871.45 × 41,009.70
  4. Step 4: Simplify right side
    115,905.18x = 7,130,416,003.07
  5. Step 5: Solve for x
    x = 7,130,416,003.07/115,905.18
  6. Step 6: Final answer
    x = 61,519.39

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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.