Home / 61,728.11-92,582.68-19,602.73

Finding the Fourth Proportional to 61,728.11, 92,582.68 and 19,602.73

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Solution

The fourth proportional to 61,728.11, 92,582.68 and 19,602.73 is: 29,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.11 : 92,582.68 = 19,602.73 : x
  2. Step 2: Convert to fraction form
    61,728.11/92,582.68 = 19,602.73/x
  3. Step 3: Cross multiply
    61,728.11x = 92,582.68 × 19,602.73
  4. Step 4: Simplify right side
    61,728.11x = 1,814,872,717.79
  5. Step 5: Solve for x
    x = 1,814,872,717.79/61,728.11
  6. Step 6: Final answer
    x = 29,401.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.