Home / 65,265.40-97,833.30-30,143.80

Finding the Fourth Proportional to 65,265.40, 97,833.30 and 30,143.80

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Solution

The fourth proportional to 65,265.40, 97,833.30 and 30,143.80 is: 45,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,265.40 : 97,833.30 = 30,143.80 : x
  2. Step 2: Convert to fraction form
    65,265.40/97,833.30 = 30,143.80/x
  3. Step 3: Cross multiply
    65,265.40x = 97,833.30 × 30,143.80
  4. Step 4: Simplify right side
    65,265.40x = 2,949,067,428.54
  5. Step 5: Solve for x
    x = 2,949,067,428.54/65,265.40
  6. Step 6: Final answer
    x = 45,185.77

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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.