Home / 45,825.23-68,737.88-12,545.57

Finding the Fourth Proportional to 45,825.23, 68,737.88 and 12,545.57

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Solution

The fourth proportional to 45,825.23, 68,737.88 and 12,545.57 is: 18,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.23 : 68,737.88 = 12,545.57 : x
  2. Step 2: Convert to fraction form
    45,825.23/68,737.88 = 12,545.57/x
  3. Step 3: Cross multiply
    45,825.23x = 68,737.88 × 12,545.57
  4. Step 4: Simplify right side
    45,825.23x = 862,356,088.40
  5. Step 5: Solve for x
    x = 862,356,088.40/45,825.23
  6. Step 6: Final answer
    x = 18,818.37

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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.