Home / 101,623.17-152,442.65-30,540.27

Finding the Fourth Proportional to 101,623.17, 152,442.65 and 30,540.27

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Solution

The fourth proportional to 101,623.17, 152,442.65 and 30,540.27 is: 45,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,623.17 : 152,442.65 = 30,540.27 : x
  2. Step 2: Convert to fraction form
    101,623.17/152,442.65 = 30,540.27/x
  3. Step 3: Cross multiply
    101,623.17x = 152,442.65 × 30,540.27
  4. Step 4: Simplify right side
    101,623.17x = 4,655,639,690.52
  5. Step 5: Solve for x
    x = 4,655,639,690.52/101,623.17
  6. Step 6: Final answer
    x = 45,812.78

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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.