Home / 82,986.34-124,269.30-51,457.98

Finding the Fourth Proportional to 82,986.34, 124,269.30 and 51,457.98

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Solution

The fourth proportional to 82,986.34, 124,269.30 and 51,457.98 is: 77,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.34 : 124,269.30 = 51,457.98 : x
  2. Step 2: Convert to fraction form
    82,986.34/124,269.30 = 51,457.98/x
  3. Step 3: Cross multiply
    82,986.34x = 124,269.30 × 51,457.98
  4. Step 4: Simplify right side
    82,986.34x = 6,394,647,154.01
  5. Step 5: Solve for x
    x = 6,394,647,154.01/82,986.34
  6. Step 6: Final answer
    x = 77,056.63

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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.