Home / 69,278.72-95,579.52-56,756.48

Finding the Fourth Proportional to 69,278.72, 95,579.52 and 56,756.48

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Solution

The fourth proportional to 69,278.72, 95,579.52 and 56,756.48 is: 78,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.72 : 95,579.52 = 56,756.48 : x
  2. Step 2: Convert to fraction form
    69,278.72/95,579.52 = 56,756.48/x
  3. Step 3: Cross multiply
    69,278.72x = 95,579.52 × 56,756.48
  4. Step 4: Simplify right side
    69,278.72x = 5,424,757,115.29
  5. Step 5: Solve for x
    x = 5,424,757,115.29/69,278.72
  6. Step 6: Final answer
    x = 78,303.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.