Home / 52,325.36-78,487.32-12,882.80

Finding the Fourth Proportional to 52,325.36, 78,487.32 and 12,882.80

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Solution

The fourth proportional to 52,325.36, 78,487.32 and 12,882.80 is: 19,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,325.36 : 78,487.32 = 12,882.80 : x
  2. Step 2: Convert to fraction form
    52,325.36/78,487.32 = 12,882.80/x
  3. Step 3: Cross multiply
    52,325.36x = 78,487.32 × 12,882.80
  4. Step 4: Simplify right side
    52,325.36x = 1,011,136,446.10
  5. Step 5: Solve for x
    x = 1,011,136,446.10/52,325.36
  6. Step 6: Final answer
    x = 19,324.02

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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.