Home / 79,528.37-109,738.51-49,302.65

Finding the Fourth Proportional to 79,528.37, 109,738.51 and 49,302.65

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Solution

The fourth proportional to 79,528.37, 109,738.51 and 49,302.65 is: 68,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.37 : 109,738.51 = 49,302.65 : x
  2. Step 2: Convert to fraction form
    79,528.37/109,738.51 = 49,302.65/x
  3. Step 3: Cross multiply
    79,528.37x = 109,738.51 × 49,302.65
  4. Step 4: Simplify right side
    79,528.37x = 5,410,399,501.14
  5. Step 5: Solve for x
    x = 5,410,399,501.14/79,528.37
  6. Step 6: Final answer
    x = 68,031.07

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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.