Home / 79,271.96-109,309.85-60,186.74

Finding the Fourth Proportional to 79,271.96, 109,309.85 and 60,186.74

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Solution

The fourth proportional to 79,271.96, 109,309.85 and 60,186.74 is: 82,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.96 : 109,309.85 = 60,186.74 : x
  2. Step 2: Convert to fraction form
    79,271.96/109,309.85 = 60,186.74/x
  3. Step 3: Cross multiply
    79,271.96x = 109,309.85 × 60,186.74
  4. Step 4: Simplify right side
    79,271.96x = 6,579,002,673.91
  5. Step 5: Solve for x
    x = 6,579,002,673.91/79,271.96
  6. Step 6: Final answer
    x = 82,992.81

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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.