Home / 45,848.60-68,732.90-17,787.80

Finding the Fourth Proportional to 45,848.60, 68,732.90 and 17,787.80

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Solution

The fourth proportional to 45,848.60, 68,732.90 and 17,787.80 is: 26,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,848.60 : 68,732.90 = 17,787.80 : x
  2. Step 2: Convert to fraction form
    45,848.60/68,732.90 = 17,787.80/x
  3. Step 3: Cross multiply
    45,848.60x = 68,732.90 × 17,787.80
  4. Step 4: Simplify right side
    45,848.60x = 1,222,607,078.62
  5. Step 5: Solve for x
    x = 1,222,607,078.62/45,848.60
  6. Step 6: Final answer
    x = 26,666.18

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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.