Home / 79,537.92-109,763.07-43,728.19

Finding the Fourth Proportional to 79,537.92, 109,763.07 and 43,728.19

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Solution

The fourth proportional to 79,537.92, 109,763.07 and 43,728.19 is: 60,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.92 : 109,763.07 = 43,728.19 : x
  2. Step 2: Convert to fraction form
    79,537.92/109,763.07 = 43,728.19/x
  3. Step 3: Cross multiply
    79,537.92x = 109,763.07 × 43,728.19
  4. Step 4: Simplify right side
    79,537.92x = 4,799,740,310.51
  5. Step 5: Solve for x
    x = 4,799,740,310.51/79,537.92
  6. Step 6: Final answer
    x = 60,345.30

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1.5x scale

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.