Home / 51,954.12-77,523.30-48,780.09

Finding the Fourth Proportional to 51,954.12, 77,523.30 and 48,780.09

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Solution

The fourth proportional to 51,954.12, 77,523.30 and 48,780.09 is: 72,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,954.12 : 77,523.30 = 48,780.09 : x
  2. Step 2: Convert to fraction form
    51,954.12/77,523.30 = 48,780.09/x
  3. Step 3: Cross multiply
    51,954.12x = 77,523.30 × 48,780.09
  4. Step 4: Simplify right side
    51,954.12x = 3,781,593,551.10
  5. Step 5: Solve for x
    x = 3,781,593,551.10/51,954.12
  6. Step 6: Final answer
    x = 72,787.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.