Home / 80,266.68-110,769-44,457.36

Finding the Fourth Proportional to 80,266.68, 110,769 and 44,457.36

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Solution

The fourth proportional to 80,266.68, 110,769 and 44,457.36 is: 61,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.68 : 110,769 = 44,457.36 : x
  2. Step 2: Convert to fraction form
    80,266.68/110,769 = 44,457.36/x
  3. Step 3: Cross multiply
    80,266.68x = 110,769 × 44,457.36
  4. Step 4: Simplify right side
    80,266.68x = 4,924,497,309.84
  5. Step 5: Solve for x
    x = 4,924,497,309.84/80,266.68
  6. Step 6: Final answer
    x = 61,351.70

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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.