Home / 78,828.84-108,787.35-44,385.44

Finding the Fourth Proportional to 78,828.84, 108,787.35 and 44,385.44

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Solution

The fourth proportional to 78,828.84, 108,787.35 and 44,385.44 is: 61,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,828.84 : 108,787.35 = 44,385.44 : x
  2. Step 2: Convert to fraction form
    78,828.84/108,787.35 = 44,385.44/x
  3. Step 3: Cross multiply
    78,828.84x = 108,787.35 × 44,385.44
  4. Step 4: Simplify right side
    78,828.84x = 4,828,573,852.25
  5. Step 5: Solve for x
    x = 4,828,573,852.25/78,828.84
  6. Step 6: Final answer
    x = 61,253.90

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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.