Home / 115,693.95-173,509.79-40,804.38

Finding the Fourth Proportional to 115,693.95, 173,509.79 and 40,804.38

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Solution

The fourth proportional to 115,693.95, 173,509.79 and 40,804.38 is: 61,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,693.95 : 173,509.79 = 40,804.38 : x
  2. Step 2: Convert to fraction form
    115,693.95/173,509.79 = 40,804.38/x
  3. Step 3: Cross multiply
    115,693.95x = 173,509.79 × 40,804.38
  4. Step 4: Simplify right side
    115,693.95x = 7,079,958,333.31
  5. Step 5: Solve for x
    x = 7,079,958,333.31/115,693.95
  6. Step 6: Final answer
    x = 61,195.58

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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.