Home / 115,693.45-173,509.04-40,803.88

Finding the Fourth Proportional to 115,693.45, 173,509.04 and 40,803.88

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Solution

The fourth proportional to 115,693.45, 173,509.04 and 40,803.88 is: 61,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.45 : 173,509.04 = 40,803.88 : x
  2. Step 2: Convert to fraction form
    115,693.45/173,509.04 = 40,803.88/x
  3. Step 3: Cross multiply
    115,693.45x = 173,509.04 × 40,803.88
  4. Step 4: Simplify right side
    115,693.45x = 7,079,841,323.13
  5. Step 5: Solve for x
    x = 7,079,841,323.13/115,693.45
  6. Step 6: Final answer
    x = 61,194.83

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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.