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Finding the Fourth Proportional to 84,903, 127,362.60 and 34,986.48

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Solution

The fourth proportional to 84,903, 127,362.60 and 34,986.48 is: 52,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,903 : 127,362.60 = 34,986.48 : x
  2. Step 2: Convert to fraction form
    84,903/127,362.60 = 34,986.48/x
  3. Step 3: Cross multiply
    84,903x = 127,362.60 × 34,986.48
  4. Step 4: Simplify right side
    84,903x = 4,455,969,057.65
  5. Step 5: Solve for x
    x = 4,455,969,057.65/84,903
  6. Step 6: Final answer
    x = 52,483.06

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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.