Home / 104,429.18-144,112.38-56,682.51

Finding the Fourth Proportional to 104,429.18, 144,112.38 and 56,682.51

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Solution

The fourth proportional to 104,429.18, 144,112.38 and 56,682.51 is: 78,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.18 : 144,112.38 = 56,682.51 : x
  2. Step 2: Convert to fraction form
    104,429.18/144,112.38 = 56,682.51/x
  3. Step 3: Cross multiply
    104,429.18x = 144,112.38 × 56,682.51
  4. Step 4: Simplify right side
    104,429.18x = 8,168,651,420.47
  5. Step 5: Solve for x
    x = 8,168,651,420.47/104,429.18
  6. Step 6: Final answer
    x = 78,221.93

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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.