Home / 45,905.10-68,864.59-16,315.90

Finding the Fourth Proportional to 45,905.10, 68,864.59 and 16,315.90

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Solution

The fourth proportional to 45,905.10, 68,864.59 and 16,315.90 is: 24,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.10 : 68,864.59 = 16,315.90 : x
  2. Step 2: Convert to fraction form
    45,905.10/68,864.59 = 16,315.90/x
  3. Step 3: Cross multiply
    45,905.10x = 68,864.59 × 16,315.90
  4. Step 4: Simplify right side
    45,905.10x = 1,123,587,682.40
  5. Step 5: Solve for x
    x = 1,123,587,682.40/45,905.10
  6. Step 6: Final answer
    x = 24,476.31

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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.