Home / 84,927.60-127,394.32-38,180.64

Finding the Fourth Proportional to 84,927.60, 127,394.32 and 38,180.64

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Solution

The fourth proportional to 84,927.60, 127,394.32 and 38,180.64 is: 57,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.60 : 127,394.32 = 38,180.64 : x
  2. Step 2: Convert to fraction form
    84,927.60/127,394.32 = 38,180.64/x
  3. Step 3: Cross multiply
    84,927.60x = 127,394.32 × 38,180.64
  4. Step 4: Simplify right side
    84,927.60x = 4,863,996,669.96
  5. Step 5: Solve for x
    x = 4,863,996,669.96/84,927.60
  6. Step 6: Final answer
    x = 57,272.27

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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.