Home / 80,021.10-110,428.75-44,211.14

Finding the Fourth Proportional to 80,021.10, 110,428.75 and 44,211.14

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Solution

The fourth proportional to 80,021.10, 110,428.75 and 44,211.14 is: 61,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,021.10 : 110,428.75 = 44,211.14 : x
  2. Step 2: Convert to fraction form
    80,021.10/110,428.75 = 44,211.14/x
  3. Step 3: Cross multiply
    80,021.10x = 110,428.75 × 44,211.14
  4. Step 4: Simplify right side
    80,021.10x = 4,882,180,926.28
  5. Step 5: Solve for x
    x = 4,882,180,926.28/80,021.10
  6. Step 6: Final answer
    x = 61,011.17

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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.