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Finding the Fourth Proportional to 80,378.07, 110,926.64 and 44,568.07

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Solution

The fourth proportional to 80,378.07, 110,926.64 and 44,568.07 is: 61,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.07 : 110,926.64 = 44,568.07 : x
  2. Step 2: Convert to fraction form
    80,378.07/110,926.64 = 44,568.07/x
  3. Step 3: Cross multiply
    80,378.07x = 110,926.64 × 44,568.07
  4. Step 4: Simplify right side
    80,378.07x = 4,943,786,256.38
  5. Step 5: Solve for x
    x = 4,943,786,256.38/80,378.07
  6. Step 6: Final answer
    x = 61,506.66

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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.