Home / 79,042.66-109,081.47-43,232.68

Finding the Fourth Proportional to 79,042.66, 109,081.47 and 43,232.68

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Solution

The fourth proportional to 79,042.66, 109,081.47 and 43,232.68 is: 59,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.66 : 109,081.47 = 43,232.68 : x
  2. Step 2: Convert to fraction form
    79,042.66/109,081.47 = 43,232.68/x
  3. Step 3: Cross multiply
    79,042.66x = 109,081.47 × 43,232.68
  4. Step 4: Simplify right side
    79,042.66x = 4,715,883,728.15
  5. Step 5: Solve for x
    x = 4,715,883,728.15/79,042.66
  6. Step 6: Final answer
    x = 59,662.51

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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.