Home / 76,727.09-105,846.71-59,614.22

Finding the Fourth Proportional to 76,727.09, 105,846.71 and 59,614.22

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Solution

The fourth proportional to 76,727.09, 105,846.71 and 59,614.22 is: 82,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727.09 : 105,846.71 = 59,614.22 : x
  2. Step 2: Convert to fraction form
    76,727.09/105,846.71 = 59,614.22/x
  3. Step 3: Cross multiply
    76,727.09x = 105,846.71 × 59,614.22
  4. Step 4: Simplify right side
    76,727.09x = 6,309,969,205.25
  5. Step 5: Solve for x
    x = 6,309,969,205.25/76,727.09
  6. Step 6: Final answer
    x = 82,239.13

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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.