Home / 79,112.46-109,170.57-43,303.14

Finding the Fourth Proportional to 79,112.46, 109,170.57 and 43,303.14

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Solution

The fourth proportional to 79,112.46, 109,170.57 and 43,303.14 is: 59,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,112.46 : 109,170.57 = 43,303.14 : x
  2. Step 2: Convert to fraction form
    79,112.46/109,170.57 = 43,303.14/x
  3. Step 3: Cross multiply
    79,112.46x = 109,170.57 × 43,303.14
  4. Step 4: Simplify right side
    79,112.46x = 4,727,428,476.59
  5. Step 5: Solve for x
    x = 4,727,428,476.59/79,112.46
  6. Step 6: Final answer
    x = 59,755.80

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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.