Home / 79,547.27-109,775.24-43,739.70

Finding the Fourth Proportional to 79,547.27, 109,775.24 and 43,739.70

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Solution

The fourth proportional to 79,547.27, 109,775.24 and 43,739.70 is: 60,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.27 : 109,775.24 = 43,739.70 : x
  2. Step 2: Convert to fraction form
    79,547.27/109,775.24 = 43,739.70/x
  3. Step 3: Cross multiply
    79,547.27x = 109,775.24 × 43,739.70
  4. Step 4: Simplify right side
    79,547.27x = 4,801,535,846.33
  5. Step 5: Solve for x
    x = 4,801,535,846.33/79,547.27
  6. Step 6: Final answer
    x = 60,360.79

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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.