Home / 115,618.89-173,444.87-35,663.61

Finding the Fourth Proportional to 115,618.89, 173,444.87 and 35,663.61

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Solution

The fourth proportional to 115,618.89, 173,444.87 and 35,663.61 is: 53,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,618.89 : 173,444.87 = 35,663.61 : x
  2. Step 2: Convert to fraction form
    115,618.89/173,444.87 = 35,663.61/x
  3. Step 3: Cross multiply
    115,618.89x = 173,444.87 × 35,663.61
  4. Step 4: Simplify right side
    115,618.89x = 6,185,670,021.86
  5. Step 5: Solve for x
    x = 6,185,670,021.86/115,618.89
  6. Step 6: Final answer
    x = 53,500.51

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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.