Home / 51,712.53-77,573.27-14,272.61

Finding the Fourth Proportional to 51,712.53, 77,573.27 and 14,272.61

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Solution

The fourth proportional to 51,712.53, 77,573.27 and 14,272.61 is: 21,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.53 : 77,573.27 = 14,272.61 : x
  2. Step 2: Convert to fraction form
    51,712.53/77,573.27 = 14,272.61/x
  3. Step 3: Cross multiply
    51,712.53x = 77,573.27 × 14,272.61
  4. Step 4: Simplify right side
    51,712.53x = 1,107,172,569.91
  5. Step 5: Solve for x
    x = 1,107,172,569.91/51,712.53
  6. Step 6: Final answer
    x = 21,410.14

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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.