Home / 79,623.09-119,508.48-40,207.86

Finding the Fourth Proportional to 79,623.09, 119,508.48 and 40,207.86

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Solution

The fourth proportional to 79,623.09, 119,508.48 and 40,207.86 is: 60,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.09 : 119,508.48 = 40,207.86 : x
  2. Step 2: Convert to fraction form
    79,623.09/119,508.48 = 40,207.86/x
  3. Step 3: Cross multiply
    79,623.09x = 119,508.48 × 40,207.86
  4. Step 4: Simplify right side
    79,623.09x = 4,805,180,232.65
  5. Step 5: Solve for x
    x = 4,805,180,232.65/79,623.09
  6. Step 6: Final answer
    x = 60,349.08

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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.