Home / 57,648.29-85,899.31-51,359.96

Finding the Fourth Proportional to 57,648.29, 85,899.31 and 51,359.96

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Solution

The fourth proportional to 57,648.29, 85,899.31 and 51,359.96 is: 76,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.29 : 85,899.31 = 51,359.96 : x
  2. Step 2: Convert to fraction form
    57,648.29/85,899.31 = 51,359.96/x
  3. Step 3: Cross multiply
    57,648.29x = 85,899.31 × 51,359.96
  4. Step 4: Simplify right side
    57,648.29x = 4,411,785,211.98
  5. Step 5: Solve for x
    x = 4,411,785,211.98/57,648.29
  6. Step 6: Final answer
    x = 76,529.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.