Home / 85,160.89-127,796.01-57,112.62

Finding the Fourth Proportional to 85,160.89, 127,796.01 and 57,112.62

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Solution

The fourth proportional to 85,160.89, 127,796.01 and 57,112.62 is: 85,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.89 : 127,796.01 = 57,112.62 : x
  2. Step 2: Convert to fraction form
    85,160.89/127,796.01 = 57,112.62/x
  3. Step 3: Cross multiply
    85,160.89x = 127,796.01 × 57,112.62
  4. Step 4: Simplify right side
    85,160.89x = 7,298,764,956.65
  5. Step 5: Solve for x
    x = 7,298,764,956.65/85,160.89
  6. Step 6: Final answer
    x = 85,705.60

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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.