Home / 80,422.11-110,996.78-46,425.83

Finding the Fourth Proportional to 80,422.11, 110,996.78 and 46,425.83

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Solution

The fourth proportional to 80,422.11, 110,996.78 and 46,425.83 is: 64,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,422.11 : 110,996.78 = 46,425.83 : x
  2. Step 2: Convert to fraction form
    80,422.11/110,996.78 = 46,425.83/x
  3. Step 3: Cross multiply
    80,422.11x = 110,996.78 × 46,425.83
  4. Step 4: Simplify right side
    80,422.11x = 5,153,116,851.71
  5. Step 5: Solve for x
    x = 5,153,116,851.71/80,422.11
  6. Step 6: Final answer
    x = 64,075.87

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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.