Home / 104,682.24-144,445.68-64,402.56

Finding the Fourth Proportional to 104,682.24, 144,445.68 and 64,402.56

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Solution

The fourth proportional to 104,682.24, 144,445.68 and 64,402.56 is: 88,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682.24 : 144,445.68 = 64,402.56 : x
  2. Step 2: Convert to fraction form
    104,682.24/144,445.68 = 64,402.56/x
  3. Step 3: Cross multiply
    104,682.24x = 144,445.68 × 64,402.56
  4. Step 4: Simplify right side
    104,682.24x = 9,302,671,572.94
  5. Step 5: Solve for x
    x = 9,302,671,572.94/104,682.24
  6. Step 6: Final answer
    x = 88,865.81

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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.