Home / 104,134.36-143,705.19-56,388.10

Finding the Fourth Proportional to 104,134.36, 143,705.19 and 56,388.10

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Solution

The fourth proportional to 104,134.36, 143,705.19 and 56,388.10 is: 77,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134.36 : 143,705.19 = 56,388.10 : x
  2. Step 2: Convert to fraction form
    104,134.36/143,705.19 = 56,388.10/x
  3. Step 3: Cross multiply
    104,134.36x = 143,705.19 × 56,388.10
  4. Step 4: Simplify right side
    104,134.36x = 8,103,262,624.24
  5. Step 5: Solve for x
    x = 8,103,262,624.24/104,134.36
  6. Step 6: Final answer
    x = 77,815.46

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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.