Home / 82,962.96-124,444.89-20,633.46

Finding the Fourth Proportional to 82,962.96, 124,444.89 and 20,633.46

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Solution

The fourth proportional to 82,962.96, 124,444.89 and 20,633.46 is: 30,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962.96 : 124,444.89 = 20,633.46 : x
  2. Step 2: Convert to fraction form
    82,962.96/124,444.89 = 20,633.46/x
  3. Step 3: Cross multiply
    82,962.96x = 124,444.89 × 20,633.46
  4. Step 4: Simplify right side
    82,962.96x = 2,567,728,660.02
  5. Step 5: Solve for x
    x = 2,567,728,660.02/82,962.96
  6. Step 6: Final answer
    x = 30,950.30

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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.