Home / 79,259.13-109,377.61-43,448.38

Finding the Fourth Proportional to 79,259.13, 109,377.61 and 43,448.38

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Solution

The fourth proportional to 79,259.13, 109,377.61 and 43,448.38 is: 59,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259.13 : 109,377.61 = 43,448.38 : x
  2. Step 2: Convert to fraction form
    79,259.13/109,377.61 = 43,448.38/x
  3. Step 3: Cross multiply
    79,259.13x = 109,377.61 × 43,448.38
  4. Step 4: Simplify right side
    79,259.13x = 4,752,279,580.71
  5. Step 5: Solve for x
    x = 4,752,279,580.71/79,259.13
  6. Step 6: Final answer
    x = 59,958.77

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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.