Home / 84,837.25-127,199.71-40,470.85

Finding the Fourth Proportional to 84,837.25, 127,199.71 and 40,470.85

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Solution

The fourth proportional to 84,837.25, 127,199.71 and 40,470.85 is: 60,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.25 : 127,199.71 = 40,470.85 : x
  2. Step 2: Convert to fraction form
    84,837.25/127,199.71 = 40,470.85/x
  3. Step 3: Cross multiply
    84,837.25x = 127,199.71 × 40,470.85
  4. Step 4: Simplify right side
    84,837.25x = 5,147,880,383.45
  5. Step 5: Solve for x
    x = 5,147,880,383.45/84,837.25
  6. Step 6: Final answer
    x = 60,679.48

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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.