Home / 83,281.84-114,920.16-49,291.60

Finding the Fourth Proportional to 83,281.84, 114,920.16 and 49,291.60

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Solution

The fourth proportional to 83,281.84, 114,920.16 and 49,291.60 is: 68,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.84 : 114,920.16 = 49,291.60 : x
  2. Step 2: Convert to fraction form
    83,281.84/114,920.16 = 49,291.60/x
  3. Step 3: Cross multiply
    83,281.84x = 114,920.16 × 49,291.60
  4. Step 4: Simplify right side
    83,281.84x = 5,664,598,558.66
  5. Step 5: Solve for x
    x = 5,664,598,558.66/83,281.84
  6. Step 6: Final answer
    x = 68,017.21

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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.