Home / 77,185.66-115,711.93-29,833.98

Finding the Fourth Proportional to 77,185.66, 115,711.93 and 29,833.98

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Solution

The fourth proportional to 77,185.66, 115,711.93 and 29,833.98 is: 44,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,185.66 : 115,711.93 = 29,833.98 : x
  2. Step 2: Convert to fraction form
    77,185.66/115,711.93 = 29,833.98/x
  3. Step 3: Cross multiply
    77,185.66x = 115,711.93 × 29,833.98
  4. Step 4: Simplify right side
    77,185.66x = 3,452,147,405.38
  5. Step 5: Solve for x
    x = 3,452,147,405.38/77,185.66
  6. Step 6: Final answer
    x = 44,725.24

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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.