Home / 80,020.77-120,048.02-27,434.36

Finding the Fourth Proportional to 80,020.77, 120,048.02 and 27,434.36

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Solution

The fourth proportional to 80,020.77, 120,048.02 and 27,434.36 is: 41,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,020.77 : 120,048.02 = 27,434.36 : x
  2. Step 2: Convert to fraction form
    80,020.77/120,048.02 = 27,434.36/x
  3. Step 3: Cross multiply
    80,020.77x = 120,048.02 × 27,434.36
  4. Step 4: Simplify right side
    80,020.77x = 3,293,440,597.97
  5. Step 5: Solve for x
    x = 3,293,440,597.97/80,020.77
  6. Step 6: Final answer
    x = 41,157.32

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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.