Home / 104,931.45-144,801.18-57,183.77

Finding the Fourth Proportional to 104,931.45, 144,801.18 and 57,183.77

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Solution

The fourth proportional to 104,931.45, 144,801.18 and 57,183.77 is: 78,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.45 : 144,801.18 = 57,183.77 : x
  2. Step 2: Convert to fraction form
    104,931.45/144,801.18 = 57,183.77/x
  3. Step 3: Cross multiply
    104,931.45x = 144,801.18 × 57,183.77
  4. Step 4: Simplify right side
    104,931.45x = 8,280,276,648.84
  5. Step 5: Solve for x
    x = 8,280,276,648.84/104,931.45
  6. Step 6: Final answer
    x = 78,911.30

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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.