Home / 71,156.02-106,733.92-18,565.50

Finding the Fourth Proportional to 71,156.02, 106,733.92 and 18,565.50

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Solution

The fourth proportional to 71,156.02, 106,733.92 and 18,565.50 is: 27,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,156.02 : 106,733.92 = 18,565.50 : x
  2. Step 2: Convert to fraction form
    71,156.02/106,733.92 = 18,565.50/x
  3. Step 3: Cross multiply
    71,156.02x = 106,733.92 × 18,565.50
  4. Step 4: Simplify right side
    71,156.02x = 1,981,568,765.77
  5. Step 5: Solve for x
    x = 1,981,568,765.77/71,156.02
  6. Step 6: Final answer
    x = 27,848.22

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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.