Home / 104,455.68-144,149.13-56,709.24

Finding the Fourth Proportional to 104,455.68, 144,149.13 and 56,709.24

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Solution

The fourth proportional to 104,455.68, 144,149.13 and 56,709.24 is: 78,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455.68 : 144,149.13 = 56,709.24 : x
  2. Step 2: Convert to fraction form
    104,455.68/144,149.13 = 56,709.24/x
  3. Step 3: Cross multiply
    104,455.68x = 144,149.13 × 56,709.24
  4. Step 4: Simplify right side
    104,455.68x = 8,174,587,608.96
  5. Step 5: Solve for x
    x = 8,174,587,608.96/104,455.68
  6. Step 6: Final answer
    x = 78,258.91

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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.