Home / 52,047.99-78,024.14-18,759.91

Finding the Fourth Proportional to 52,047.99, 78,024.14 and 18,759.91

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Solution

The fourth proportional to 52,047.99, 78,024.14 and 18,759.91 is: 28,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.99 : 78,024.14 = 18,759.91 : x
  2. Step 2: Convert to fraction form
    52,047.99/78,024.14 = 18,759.91/x
  3. Step 3: Cross multiply
    52,047.99x = 78,024.14 × 18,759.91
  4. Step 4: Simplify right side
    52,047.99x = 1,463,725,454.11
  5. Step 5: Solve for x
    x = 1,463,725,454.11/52,047.99
  6. Step 6: Final answer
    x = 28,122.61

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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.