Home / 82,038.80-122,976.42-34,665.84

Finding the Fourth Proportional to 82,038.80, 122,976.42 and 34,665.84

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Solution

The fourth proportional to 82,038.80, 122,976.42 and 34,665.84 is: 51,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,038.80 : 122,976.42 = 34,665.84 : x
  2. Step 2: Convert to fraction form
    82,038.80/122,976.42 = 34,665.84/x
  3. Step 3: Cross multiply
    82,038.80x = 122,976.42 × 34,665.84
  4. Step 4: Simplify right side
    82,038.80x = 4,263,080,899.49
  5. Step 5: Solve for x
    x = 4,263,080,899.49/82,038.80
  6. Step 6: Final answer
    x = 51,964.20

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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.