Home / 104,383.05-144,044.73-56,635.38

Finding the Fourth Proportional to 104,383.05, 144,044.73 and 56,635.38

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Solution

The fourth proportional to 104,383.05, 144,044.73 and 56,635.38 is: 78,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,383.05 : 144,044.73 = 56,635.38 : x
  2. Step 2: Convert to fraction form
    104,383.05/144,044.73 = 56,635.38/x
  3. Step 3: Cross multiply
    104,383.05x = 144,044.73 × 56,635.38
  4. Step 4: Simplify right side
    104,383.05x = 8,158,028,020.55
  5. Step 5: Solve for x
    x = 8,158,028,020.55/104,383.05
  6. Step 6: Final answer
    x = 78,154.72

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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.