Home / 57,371.40-85,983.80-46,283.31

Finding the Fourth Proportional to 57,371.40, 85,983.80 and 46,283.31

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Solution

The fourth proportional to 57,371.40, 85,983.80 and 46,283.31 is: 69,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.40 : 85,983.80 = 46,283.31 : x
  2. Step 2: Convert to fraction form
    57,371.40/85,983.80 = 46,283.31/x
  3. Step 3: Cross multiply
    57,371.40x = 85,983.80 × 46,283.31
  4. Step 4: Simplify right side
    57,371.40x = 3,979,614,638.96
  5. Step 5: Solve for x
    x = 3,979,614,638.96/57,371.40
  6. Step 6: Final answer
    x = 69,365.83

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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.