Home / 52,096.86-78,156.08-20,934.54

Finding the Fourth Proportional to 52,096.86, 78,156.08 and 20,934.54

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Solution

The fourth proportional to 52,096.86, 78,156.08 and 20,934.54 is: 31,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,096.86 : 78,156.08 = 20,934.54 : x
  2. Step 2: Convert to fraction form
    52,096.86/78,156.08 = 20,934.54/x
  3. Step 3: Cross multiply
    52,096.86x = 78,156.08 × 20,934.54
  4. Step 4: Simplify right side
    52,096.86x = 1,636,161,478.33
  5. Step 5: Solve for x
    x = 1,636,161,478.33/52,096.86
  6. Step 6: Final answer
    x = 31,406.14

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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.