Home / 75,977.80-113,966.73-19,817.83

Finding the Fourth Proportional to 75,977.80, 113,966.73 and 19,817.83

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Solution

The fourth proportional to 75,977.80, 113,966.73 and 19,817.83 is: 29,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.80 : 113,966.73 = 19,817.83 : x
  2. Step 2: Convert to fraction form
    75,977.80/113,966.73 = 19,817.83/x
  3. Step 3: Cross multiply
    75,977.80x = 113,966.73 × 19,817.83
  4. Step 4: Simplify right side
    75,977.80x = 2,258,573,423.25
  5. Step 5: Solve for x
    x = 2,258,573,423.25/75,977.80
  6. Step 6: Final answer
    x = 29,726.76

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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.