Home / 77,975.24-117,061.28-44,725.56

Finding the Fourth Proportional to 77,975.24, 117,061.28 and 44,725.56

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Solution

The fourth proportional to 77,975.24, 117,061.28 and 44,725.56 is: 67,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,975.24 : 117,061.28 = 44,725.56 : x
  2. Step 2: Convert to fraction form
    77,975.24/117,061.28 = 44,725.56/x
  3. Step 3: Cross multiply
    77,975.24x = 117,061.28 × 44,725.56
  4. Step 4: Simplify right side
    77,975.24x = 5,235,631,302.32
  5. Step 5: Solve for x
    x = 5,235,631,302.32/77,975.24
  6. Step 6: Final answer
    x = 67,144.79

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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.