Home / 79,718.42-119,554.92-27,126.74

Finding the Fourth Proportional to 79,718.42, 119,554.92 and 27,126.74

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Solution

The fourth proportional to 79,718.42, 119,554.92 and 27,126.74 is: 40,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.42 : 119,554.92 = 27,126.74 : x
  2. Step 2: Convert to fraction form
    79,718.42/119,554.92 = 27,126.74/x
  3. Step 3: Cross multiply
    79,718.42x = 119,554.92 × 27,126.74
  4. Step 4: Simplify right side
    79,718.42x = 3,243,134,632.79
  5. Step 5: Solve for x
    x = 3,243,134,632.79/79,718.42
  6. Step 6: Final answer
    x = 40,682.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.