Home / 116,966.02-175,447.40-28,218.78

Finding the Fourth Proportional to 116,966.02, 175,447.40 and 28,218.78

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Solution

The fourth proportional to 116,966.02, 175,447.40 and 28,218.78 is: 42,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,966.02 : 175,447.40 = 28,218.78 : x
  2. Step 2: Convert to fraction form
    116,966.02/175,447.40 = 28,218.78/x
  3. Step 3: Cross multiply
    116,966.02x = 175,447.40 × 28,218.78
  4. Step 4: Simplify right side
    116,966.02x = 4,950,910,704.94
  5. Step 5: Solve for x
    x = 4,950,910,704.94/116,966.02
  6. Step 6: Final answer
    x = 42,327.77

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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.