Home / 104,143.73-143,717.63-56,395.98

Finding the Fourth Proportional to 104,143.73, 143,717.63 and 56,395.98

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Solution

The fourth proportional to 104,143.73, 143,717.63 and 56,395.98 is: 77,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,143.73 : 143,717.63 = 56,395.98 : x
  2. Step 2: Convert to fraction form
    104,143.73/143,717.63 = 56,395.98/x
  3. Step 3: Cross multiply
    104,143.73x = 143,717.63 × 56,395.98
  4. Step 4: Simplify right side
    104,143.73x = 8,105,096,305.15
  5. Step 5: Solve for x
    x = 8,105,096,305.15/104,143.73
  6. Step 6: Final answer
    x = 77,826.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.