Home / 79,507.49-109,718.01-45,514.85

Finding the Fourth Proportional to 79,507.49, 109,718.01 and 45,514.85

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Solution

The fourth proportional to 79,507.49, 109,718.01 and 45,514.85 is: 62,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507.49 : 109,718.01 = 45,514.85 : x
  2. Step 2: Convert to fraction form
    79,507.49/109,718.01 = 45,514.85/x
  3. Step 3: Cross multiply
    79,507.49x = 109,718.01 × 45,514.85
  4. Step 4: Simplify right side
    79,507.49x = 4,993,798,218.86
  5. Step 5: Solve for x
    x = 4,993,798,218.86/79,507.49
  6. Step 6: Final answer
    x = 62,809.16

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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.