Home / 85,775.31-118,370.07-52,241.31

Finding the Fourth Proportional to 85,775.31, 118,370.07 and 52,241.31

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Solution

The fourth proportional to 85,775.31, 118,370.07 and 52,241.31 is: 72,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,775.31 : 118,370.07 = 52,241.31 : x
  2. Step 2: Convert to fraction form
    85,775.31/118,370.07 = 52,241.31/x
  3. Step 3: Cross multiply
    85,775.31x = 118,370.07 × 52,241.31
  4. Step 4: Simplify right side
    85,775.31x = 6,183,807,521.59
  5. Step 5: Solve for x
    x = 6,183,807,521.59/85,775.31
  6. Step 6: Final answer
    x = 72,093.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.