Home / 52,095.24-78,142.28-12,652.34

Finding the Fourth Proportional to 52,095.24, 78,142.28 and 12,652.34

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Solution

The fourth proportional to 52,095.24, 78,142.28 and 12,652.34 is: 18,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,095.24 : 78,142.28 = 12,652.34 : x
  2. Step 2: Convert to fraction form
    52,095.24/78,142.28 = 12,652.34/x
  3. Step 3: Cross multiply
    52,095.24x = 78,142.28 × 12,652.34
  4. Step 4: Simplify right side
    52,095.24x = 988,682,240.96
  5. Step 5: Solve for x
    x = 988,682,240.96/52,095.24
  6. Step 6: Final answer
    x = 18,978.36

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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.