Home / 82,880.85-124,429.68-49,208.34

Finding the Fourth Proportional to 82,880.85, 124,429.68 and 49,208.34

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Solution

The fourth proportional to 82,880.85, 124,429.68 and 49,208.34 is: 73,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,880.85 : 124,429.68 = 49,208.34 : x
  2. Step 2: Convert to fraction form
    82,880.85/124,429.68 = 49,208.34/x
  3. Step 3: Cross multiply
    82,880.85x = 124,429.68 × 49,208.34
  4. Step 4: Simplify right side
    82,880.85x = 6,122,977,999.53
  5. Step 5: Solve for x
    x = 6,122,977,999.53/82,880.85
  6. Step 6: Final answer
    x = 73,876.87

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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.