Home / 84,619.66-116,787.60-48,802.72

Finding the Fourth Proportional to 84,619.66, 116,787.60 and 48,802.72

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Solution

The fourth proportional to 84,619.66, 116,787.60 and 48,802.72 is: 67,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.66 : 116,787.60 = 48,802.72 : x
  2. Step 2: Convert to fraction form
    84,619.66/116,787.60 = 48,802.72/x
  3. Step 3: Cross multiply
    84,619.66x = 116,787.60 × 48,802.72
  4. Step 4: Simplify right side
    84,619.66x = 5,699,552,542.27
  5. Step 5: Solve for x
    x = 5,699,552,542.27/84,619.66
  6. Step 6: Final answer
    x = 67,354.94

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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.