Home / 104,829.57-144,664.85-57,082.90

Finding the Fourth Proportional to 104,829.57, 144,664.85 and 57,082.90

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Solution

The fourth proportional to 104,829.57, 144,664.85 and 57,082.90 is: 78,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829.57 : 144,664.85 = 57,082.90 : x
  2. Step 2: Convert to fraction form
    104,829.57/144,664.85 = 57,082.90/x
  3. Step 3: Cross multiply
    104,829.57x = 144,664.85 × 57,082.90
  4. Step 4: Simplify right side
    104,829.57x = 8,257,889,166.07
  5. Step 5: Solve for x
    x = 8,257,889,166.07/104,829.57
  6. Step 6: Final answer
    x = 78,774.43

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1.5x scale

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.