Home / 104,829.30-144,664.32-57,082.98

Finding the Fourth Proportional to 104,829.30, 144,664.32 and 57,082.98

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Solution

The fourth proportional to 104,829.30, 144,664.32 and 57,082.98 is: 78,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829.30 : 144,664.32 = 57,082.98 : x
  2. Step 2: Convert to fraction form
    104,829.30/144,664.32 = 57,082.98/x
  3. Step 3: Cross multiply
    104,829.30x = 144,664.32 × 57,082.98
  4. Step 4: Simplify right side
    104,829.30x = 8,257,870,485.27
  5. Step 5: Solve for x
    x = 8,257,870,485.27/104,829.30
  6. Step 6: Final answer
    x = 78,774.45

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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.