Home / 83,615.27-115,356.23-47,786.07

Finding the Fourth Proportional to 83,615.27, 115,356.23 and 47,786.07

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Solution

The fourth proportional to 83,615.27, 115,356.23 and 47,786.07 is: 65,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,615.27 : 115,356.23 = 47,786.07 : x
  2. Step 2: Convert to fraction form
    83,615.27/115,356.23 = 47,786.07/x
  3. Step 3: Cross multiply
    83,615.27x = 115,356.23 × 47,786.07
  4. Step 4: Simplify right side
    83,615.27x = 5,512,420,642.79
  5. Step 5: Solve for x
    x = 5,512,420,642.79/83,615.27
  6. Step 6: Final answer
    x = 65,926.01

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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.