Home / 45,824.72-68,737.10-12,545.06

Finding the Fourth Proportional to 45,824.72, 68,737.10 and 12,545.06

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Solution

The fourth proportional to 45,824.72, 68,737.10 and 12,545.06 is: 18,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.72 : 68,737.10 = 12,545.06 : x
  2. Step 2: Convert to fraction form
    45,824.72/68,737.10 = 12,545.06/x
  3. Step 3: Cross multiply
    45,824.72x = 68,737.10 × 12,545.06
  4. Step 4: Simplify right side
    45,824.72x = 862,310,637.32
  5. Step 5: Solve for x
    x = 862,310,637.32/45,824.72
  6. Step 6: Final answer
    x = 18,817.59

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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.