Home / 84,839.60-127,065.58-40,497.56

Finding the Fourth Proportional to 84,839.60, 127,065.58 and 40,497.56

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Solution

The fourth proportional to 84,839.60, 127,065.58 and 40,497.56 is: 60,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.60 : 127,065.58 = 40,497.56 : x
  2. Step 2: Convert to fraction form
    84,839.60/127,065.58 = 40,497.56/x
  3. Step 3: Cross multiply
    84,839.60x = 127,065.58 × 40,497.56
  4. Step 4: Simplify right side
    84,839.60x = 5,145,845,949.98
  5. Step 5: Solve for x
    x = 5,145,845,949.98/84,839.60
  6. Step 6: Final answer
    x = 60,653.82

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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.